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+ ImprovIng care through evIdence GUIDELINES UpDatE | print | SUBSCriBE | WEBSitE PAGE PAGE Practice Parameter: for the 22 || Guideline Evaluating AnOf Apparent Management Acute Unprovoked First And Chronic Pain Seizure In In Adults EvidenceSickle Cell(An Disease. Based Approach). American Pain Society. American Academy of Neurology 4 | The Management of Sickle Clinical Policy:National Critical 3 | Cell Disease. PAGE PAGE Issues In of The Evaluation Institutes Health, National And Management Of Heart Lung and Blood Adult Patients Presenting Institute. To The Emergency Department With Seizures. American College of PAGE 2 | Guideline for the Emergency Physicians Management Of Acute And Chronic Pain In EFNSCell Guideline PAGE 4 |Sickle Disease.On The Management Of Status American Pain Society. Epilepticus. European Federation Of Neurological Societies PAGE 5 | Editorial Comment Current Guidelines For Management Of Seizures Sickle Cell Disease: In The Emergency Management Of AcuteDepartment Complications I nInthis thisissue issueofofEM EMPractice PracticeGuidelines GuidelinesUpdate, Update,32practice guidelines guidelines that address the management seizures are readdressing the management of sickle cellofdisease (SCD) are viewed. The recommendations within the 3 documents focus reviewed. As a result of numerous SCD-related complications, on decisionmaking around the patientdiminished with seizures refractory to patients with SCD have significantly life expectancy. first-line therapy, the management of patients with an unprovoked Although most patients will be followed by subspecialty hemafirst seizure, and options for anticonvulsant drug delivery. tologists, SCD is fundamentally a “‘disease of emergencies.”’ Status epilepticus complicates to 7%with of seizures in the emerEmergency clinicians should beup familiar the recommenda1 Pagency department (ED), with a significant mortality rate. tions around management of acute SCD complications, because tients with ongoing seizures demand immediate general resuscifailure to appreciate the nuances of care in these brittle patients tative and specific therapeutic maneuvers; good evidence exists may place them at risk for short-term morbidity and mortality. The to direct clinicians in managing these dangerous presentations. methodology these practice guidelines varies greatly–from Stable seizureofpatients commonly seek emergency care for firstevidencebased to expert opinion–and thus must becomplaints applied to time seizures, breakthrough seizures, or unrelated emergency practice withanticonvulsant caution and pragmatism. that affect their ongoing therapy. High-quality trials examining issues that arise in the care of these patients are few; however, consensus-based recommendations offer PracticetoGuideline Impact controversial testing and treatguidance clinicians navigating • Inscenarios. the management of acute SCD pain crises, bolus normal ment saline is not recommended unless the patient is hypovolemic. In euvolemic patients, Practice Guideline Impactintravenous hydration should not • Intravenous (IV) lorazepam is first-line exceed 1.5 times maintenance with D5therapy ½ NS. for active seizures. Patients who continue to seize after 2 benzodiazepine • doses In the management of acute painorcrises, specific recshould be treated with SCD propofol barbiturates. ommendations exist with regard to opiate choice and adju• Diagnostic lumbar puncture is indicated in immunocomprovant medications. mised patients with an unprovoked first seizure. • In patients with SCD and suspected infection, criteria exist to • EEG monitoring is indicated to rule out nonconvulsive status identify candidates for outpatient treatment. epilepticus in patients receiving aggressive therapy for gen• eralized Separateconvulsive algorithmsstatus exist epilepticus. for the diagnosis and treatment of stroke in adults and children with SCD. December January 2010 2009 Volume 2, 1, Number 1 2 Editor-In-Chief Editor-In-Chief Reuben J. Strayer, MD Reuben Professor J. Strayer, MD Assistant of Emergency Medicine, Mount Sinai Assistant Emergency School of Professor Medicine, of New York, NY Medicine, Mount Sinai School of Medicine, New York, NY Editorial Board Editorial BoardMD, FACEP Andy Jagoda, Professor and Chair, Department of Emergency Medicine Andy Sinai Jagoda, MD, FACEP New York, NY Mount School of Medicine, Professor and Chair, Department of Emergency Medicine Erik MD,ofMS MountKulstad, Sinai School Medicine, New York, NY Research Director, Department of Emergency Medicine, Advocate Erik Kulstad, MD, MS Christ Medical Center, Oak Lawn, IL Research Director, Advocate Christ Medical Center Eddy S. Lang, MDCM, Medicine, CCFP (EM), Department of Emergency Oak CSPQ Lawn, IL Associate Professor, McGill University, SMBD Jewish General Eddy S. Lang, MDCM, CCFP (EM), CSPQ Hospital, Montreal, Canada Associate Professor, McGill University, SMBD Jewish General Lewis Nelson,Canada MD Hospital,S.Montreal, Director, Fellowship in Medical Toxicology, New York City Poison Lewis S. Nelson, MD Professor, Department of Emergency Control Center, Associate Director, Fellowship in Medical New York City Poison Medicine, NYU Medical Center,Toxicology, New York, NY Control Center, Associate Professor, Department of Emergency Gregory M. Press, RDMS Medicine, NYU MedicalMD, Center, New York, NY Assistant Professor, Director of Emergency Ultrasound, Emergency Gregory M. Press, MD, RDMS Ultrasound Fellowship Director, Department of Emergency Medicine, Assistant Professor, ofMedical Emergency Ultrasound, University of Texas atDirector Houston School, Houston,Emergency TX Ultrasound Fellowship Director, Department of Emergency Medicine, Maia Rutman, University of TexasMD at Houston Medical School, Houston, TX Medical Director, Pediatric Emergency Services, DartmouthMaia Rutman, Hitchcock MedicalMD Center; Assistant Professor of Pediatric Medical Director, Pediatric Emergency Services, Emergency Medicine, Dartmouth Medical School,DartmouthLebanon, NH Hitchcock Medical Center; Assistant Professor of Pediatric Scott M. Silvers, MD Emergency Medicine, Dartmouth Medical School, Lebanon, NH Chair, Department of Emergency Medicine, Mayo Clinic, Scott M. Silvers, MD Jacksonville, FL Chair, Department of Emergency Medicine Scott Weingart, MD, FACEP Mayo Clinic, Jacksonville, FL Assistant Professor, Department of Emergency Medicine, Elmhurst Scott Weingart, MD FACEP Hospital Center, Mount Sinai School of Medicine, New York, NY Assistant Professor, Department of Emergency Medicine, Elmhurst Hospital Center, Mount Sinai School of Medicine, New York, NY Prior to beginning this activity, see “Physician CME Information” on page 7. beginning this activity, see “Physician CME Information” on Prior to page 9. Editor’s Note: To read more about this publication and the background and methodologies for practice guideline developEditor’s Note: To read more about this publication ment, go to: http://www.ebmedicine.net/introduction and the background and methodologies for practice guideline development, http://www.ebmedicine.net/ content.php?action=showPage&pid=107&cat_id=16 | print | SUBSCRIBE | WEBSITE Current Guidelines For Management Of Seizures In The Emergency Department Practice Parameter: Evaluating An Apparent Unprovoked First Seizure In Adults (An Evidence-Based Approach).2 Neurology. 2007;69:1996-2007. Link to this: http://www.neurology.org/cgi/reprint/69/21/1996 T his document was developed by a group of neurologists organized by the American Academy of Neurology (AAN) in collaboration with the American Epilepsy Society; the methodology is adapted from the AAN Clinical Practice Guideline Process Manual.3 The group identified 5 questions based on a literature search from 1966 to 2004, and it was carried out according to explicit criteria. Article inclusion and exclusion criteria are specified and selected details around the review process are described. neurodiagnostic evaluation, because it has a substantial yield. Recommendation 2 (Level B): For an adult with an apparent unprovoked first seizure, the EEG should be considered as part of the neurodiagnostic evaluation because it has value in determining risk of seizure recurrence. For an adult presenting with an apparent unprovoked first seizure, should a brain imaging study (CT, MRI) be routinely ordered? Recommendation 3 (Level B): For an adult presenting with an apparent unprovoked first seizure, brain imaging studies using CT or MRI should be considered as part of the neurodiagnostic evaluation. Evidence was evaluated for quality according to predefined, specified criteria and assigned to 1 of 4 classes (I, II, III, IV). Recommendations were graded at 4 levels: A, B, C, U, based primarily on the strength of evidence for each question. Level A: established as true; Level B: probably true; Level C: possibly true; Level U: data inadequate or conflicting. The target provider population is not defined. The Practice Parameter applies to adults 18 years of age and older presenting with a first unprovoked seizure (ie, excluding patients with diagnosed seizure disorders and seizures resulting from an obvious cause such as trauma and stroke). For an adult presenting with an apparent unprovoked first seizure, should blood counts, blood glucose, and electrolyte panels be routinely ordered? Recommendation 4 (Level U): There are insufficient data to support or refute routine recommendation of laboratory tests such as blood glucose, blood counts, and electrolyte panels for an adult presenting with an apparent unprovoked first seizure, though they may be helpful in specific clinical circumstances. The Conflict of Interest statement notes “Drafts of the guidelines have been reviewed by at least 3 AAN committees, a network of neurologists, Neurology peer reviewers, and representatives from related fields,” and “The AAN forbids commercial participation in, or funding of, guideline projects.” The authors report no conflicts of interest. The following questions and recommendations are abstracted from the Practice Parameter. To view the original document in its entirety, click here: http://www.neurology.org/cgi/reprint/69/21/1996 For an adult presenting with an apparent unprovoked first seizure, should lumbar puncture be routinely performed? Recommendation 5 (Level B): There are insufficient data to support or refute recommending routine lumbar puncture in the adult initially presenting with an apparent unprovoked first seizure; however, in special clinical circumstances (eg, febrile patients), it may be helpful. In an adult presenting with an apparent unprovoked first seizure, should toxicologic screening be routinely ordered? Recommendation 6 (Level B): There are insufficient data to support or refute a routine recommendation for toxicology screening; however, it may be helpful in specific clinical circumstances. ■ In an adult presenting with an apparently unprovoked first seizure, should an EEG be ordered routinely? Recommendation 1 (Level B): For an adult with an apparent unprovoked first seizure, the EEG should be considered as part of the EM Practice Guidelines Update © 2010 2 ebmedicine.net • January 2010 | print | SUBSCRIBE | WEBSITE Current Guidelines For Management Of Seizures In The Emergency Department Clinical Policy: Critical Issues In The Evaluation And Management Of Adult Patients Presenting To The Emergency Department With Seizures.1 Annals of Emergency Medicine. 2004;43:605-625. Link to this: http://www.acep.org/WorkArea/DownloadAsset.aspx?id=8820 T his document was developed by a committee and subcommittee organized and funded by the American College of Emergency Physicians (ACEP). Panel members are listed; their affiliations/qualifications are not. The group identified 6 critical questions and utilized an explicit strategy for their literature search and review. Evidence was evaluated for quality according to predefined criteria and sorted into 4 classes (I, II, III, or X-fatally flawed). Recommendations were graded based on the strength of evidence for each question. A: high degree of certainty; B: moderate degree of certainty; C: based on preliminary, inconclusive, or conflicting evidence or panel consensus. Disclosures were reported for the subcommittee for this policy. The policy targets clinicians working in hospital-based EDs. The guidelines presented in the policy apply to adult patients presenting to the ED with seizures. Pediatric patients are excluded. Which new-onset seizure patients who have returned to normal baseline need to be admitted to the hospital and/or started on an antiepileptic drug? Recommendation 6 (Level C): Patients with a normal neurologic examination can be discharged from the ED with outpatient follow-up. Recommendation 7 (Level C): Patients with a normal neurologic examination, no comorbidities, and no known structural brain disease do not need to be started on an antiepileptic drug in the ED. What are effective phenytoin or fosphenytoin dosing strategies for preventing seizure recurrence in patients who present to the ED after having had a seizure with a subtherapeutic serum phenytoin level? Recommendation 8 (Level C): Administer an intravenous or oral loading dose of phenytoin or intravenous or intramuscular fosphenytoin, and restart daily oral maintenance dosing. What laboratory tests are indicated in the otherwise healthy adult patient with a new-onset seizure who has returned to a baseline normal neurologic status? Recommendation 1 (Level B): Determine a serum glucose and sodium level on patients with a first-time seizure with no comorbidities who have returned to their baseline. Recommendation 2 (Level B): Obtain a pregnancy test if a woman is of childbearing age. Recommendation 3 (Level B): Perform a lumbar puncture, after a head computed tomography (CT) scan, either in the ED or after admission, on patients who are immunocompromised. What agent(s) should be administered to a patient in status epilepticus who continues to seize after having received benzodiazepine and phenytoin? Recommendation 9 (Level C): Administer 1 of the following agents intravenously: “high-dose phenytoin,” phenobarbital, valproic acid, midazolam infusion, pentobarbital infusion, or propofol infusion. When should EEG testing be performed in the ED? Recommendation 10 (Level C): Consider an emergent EEG in patients suspected of being in nonconvulsive status epilepticus or in subtle convulsive status epilepticus, patients who have received a long-acting paralytic, or patients who are in a drug-induced coma. ■ Which new-onset seizure patients who have returned to a normal baseline require a head CT scan in the ED? Recommendation 4 (Level B): When feasible, perform a neuroimaging of the brain in the ED on patients with a first-time seizure. Recommendation 5 (Level B): Deferred outpatient neuroimaging may be used when reliable follow-up is available. EM Practice Guidelines Update © 2010 © 2004 American College of Emergency Physicians® (ACEP). Reprinted with permission from ACEP. All rights reserved. 3 ebmedicine.net • January 2010 | print | SUBSCRIBE | WEBSITE Current Guidelines For Management Of Seizures In The Emergency Department EFNS Guideline On The Management Of Status Epilepticus.4 European Journal of Neurology. 2006;11:577-581. Link to this: http://www.efns.org/fileadmin/user_upload/guidline_papers/EFNS_guideline_2006_management_of_status_epilepticus.pdf T his document was developed by a task force comprised of 7 neurologists organized by the European Federation of Neurological Societies (EFNS), a consortium comprised of 43 European national neurological societies based in Austria. The development process was carried out in accordance with a preparation document generated by the EFNS in 2004.5 The group designated a single member to carry out the literature search according to reported parameters. Evidence was evaluated for quality based on criteria specified in the preparation document and sorted into 4 classes (I, II, III, IV). Recommendations were graded (A-established as effective; B-probably effective; C-possibly effective, GPP - the opinion of the panel reported as good practice points "where there was a lack of evidence but consensus was clear") based on the strength of evidence for each question. Initial pharmacological treatment of generalized convulsive status epilepticus (GCSE) Recommendation 2 (Level A): Treat partial status epilepticus and GCSE with lorazepam 4 mg IV; repeat in 10 minutes if seizures persist. Phenytoin 15 to 18 mg/kg or equivalent fosphenytoin is recommended "if necessary." An alternate regimen is diazepam 10 mg IV followed by phenytoin 15 to 18 mg/kg or equivalent fosphenytoin; repeat diazepam in 10 minutes if seizures persist. Pharmacological treatment for refractory GCSE and subtle status epilepticus Recommendation 3 (Level GPP): Infuse anesthetic doses of midazolam, propofol, or barbiturates titrated against an EEG burst suppression pattern. Initiate treatment with non-sedating antiepileptic agents simultaneously. Thiopental: 100 to 200 mg bolus over 20 seconds with 50 mg boluses every 2 to 3 minutes until seizures are controlled, then infusion 3 to 5 mg/kg/hr. Pentobarbital: 10 to 20 mg/ kg bolus followed by an infusion of 0.5 to 3 mg/kg/hr. Midazolam: 0.2 mg/kg bolus followed by an infusion of 0.1 to 0.4 mg/kg/hr. Propofol: 2 mg/kg bolus followed by an infusion of 5 to 10 mg/kg/hr. A funding source is not identified. Panelists' conflicts of interest were reported as none declared. The target is identified as adults with status epilepticus "in critical care situations." Debate around the definition of status epilepticus is described; studies on patients with seizures lasting 5, 10, and 30 minutes were included. Recommendations in this document are reported in narrative style; those recommendations that pertain to emergency medicine are summarized here. Pharmacological treatment for non-convulsive status epilepticus (NCSE) Recommendation 4 (Level GPP): Ongoing NCSE is less dangerous than GCSE; therefore, non-anesthetizing anticonvulsants may be tried initially. Phenobarbital: 20 mg/kg IV. Valproic acid: 25 to 45 mg/ kg IV infused at a maximum rate of 6 mg/kg/min. ■ General initial management Recommendation 1 (Level GPP): Support airway and ventilation; monitor blood pressure and ECG waveform; perform blood gas analysis; supplement glucose and thiamine as required; measure serum antiepileptic drug levels, electrolytes (including magnesium), blood counts, hepatic and renal function tests. Identify and treat the underlying cause. EM Practice Guidelines Update © 2010 4 ebmedicine.net • January 2010 | print | SUBSCRIBE | WEBSITE Current Guidelines For Management Of Seizures In The Emergency Department Editorial Comment The patient in status epilepticus presents an immediate resuscitative challenge to the emergency clinician, as efforts to terminate seizures must be carried out simultaneously with measures to support the airway, breathing, and circulation as well as diagnostic maneuvers directed at identifying dangerous underlying disorders. Emergency providers should not be distracted by definitions of status epilepticus that vary across sources and treat as status epilepticus any patient who arrives seizing or any patient who has a seizure in the ED that does not self-terminate or respond to initial therapies. When confronted with a patient in status epilepticus who does not respond to benzodiazepine treatment, the clinician should consider underlying causes that require specific therapies, such as hypoglycemia, hyponatremia, eclampsia, and toxic exposures amenable to antidotes (eg, isoniazid, heterocyclic antidepressants, cyanide, carbon monoxide). Most patients with refractory status should be intubated and started on a barbiturate or propofol infusion with or without high-dose phenytoin and/or intravenous valproate. Hypotension should be anticipated and managed in these cases. Another AAN Practice Parameter published in the same issue as the guideline abstracted here looked specifically at the utility of brain CT in the ED in various populations of patients who present with seizure.6 Their conclusions are similar to the recommendations made in the abstracted report on evaluating the first seizure; in addition, the panel makes a class II recommendation that patients who present with chronic seizures are more likely to have an abnormal brain CT if there is an abnormal neurologic examination, a predisposing history of neurologic disease, or a focal seizure onset. The EEG provides important information regarding prognosis and seizure classification; however, it is not required in the ED when dangerous etiologies of seizure have been ruled out and the patient has returned to clinical baseline. The chief indications for performing an emergent EEG are to assess the patient paralyzed and intubated for status epilepticus, and to rule out nonconvulsive status epilepticus in the patient with altered mentation, especially in patients who do not return to baseline after a generalized seizure. The emergency clinician is not compelled to initiate anticonvulsant therapy in uncomplicated cases; however, this decision is ideally made in collaboration with the neurologist who will see the patient in follow-up. If the seizure has terminated and ABCs are stable, the emergency clinician must determine whether the patient had a seizure or another episodic disorder such as syncope or complex migraine. If a presumptive diagnosis of seizure is made in a patient not known for seizures, management is directed at finding dangerous and reversible causes. A non-contrast brain CT is indicated in most patients with first seizure to rule out structural causes. In younger patients where radiation concerns are more prominent, MRI is an alternative. Although laboratory studies are of low yield in patients whose symptoms have resolved, serum chemistry analysis in the ED is prudent. Lumbar puncture should be performed on immunocompromised patients and patients for whom central nervous system infection is a significant concern. Although toxicologic causes of seizures can be life-threatening, undirected toxicology testing such as a urine drug screen is unlikely to alter ED management. It is worth special mention that alcohol-related or alcohol-withdrawal seizure is a diagnosis of exclusion; alcoholics are at particular risk for several other dangerous causes of seizures. EM Practice Guidelines Update © 2010 Although fosphenytoin can be infused more quickly than phenytoin, it does not work faster or cause fewer adverse effects than phenytoin and should not be routinely used in place of its much less expensive parent.7,8 Fosphenytoin is preferred in cases where the patient cannot complain of pain if extravasation occurs (eg, a comatose patient) or when intramuscular delivery is required. In patients who will not be quickly discharged from the department, oral phenytoin loading is underutilized; in uncomplicated patients at low risk for immediate recurrent seizure, oral loading is effective and offers benefits of convenience, cost, and safety.8,9 ■ 5 ebmedicine.net • January 2010 | print | SUBSCRIBE | WEBSITE Current Guidelines For Management Of Seizures In The Emergency Department References 1. 5. American College of Emergency Physicians. Clinical policy: Critical issues in the evaluation and management of adult patients presenting to the emergency department with seizures. Ann Emerg Med. 2004;43:605-625. (Systematic review) 2. Krumholz A, Wiebe S, Gronseth G, Shinnar S, Levisohn P, Ting T, et al. Practice parameter: Evaluating an apparent unprovoked first seizure in adults (an evidence-based review): Report of the Quality Standards Subcommittee of the American Academy of Neurology and the American Epilepsy Society. Neurology. 2007;69:1996-2007. (Systematic review) 3. Quality Standards Subcommittee and the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology. Clinical Practice Guideline sus document) Process Manual. St. Paul, MN: American Academy of Neurology; 2004. (Textbook) 4. Brainin M, Barnes M, Baron J-C, Gilhus N, Hughes R, Selmaj K, et al. Guidance for the preparation of neurological management guidelines by EFNS scientific task forces – revised recommendations 2004. Eur J Neurol. 2004;11:577-581. (Consen- Meierkork H, Boon P, Engelsen B, Göcke K, Shorvon S, Tinuper P, et al. EFNS guideline on the management of status epilepticus. Eur J Neurol. 2006;13:445-450. (Systematic review) 6. Harden C, Huff J, Schwartz T, Dubinsky R, et al. Reassessment: Neuroimaging in the emergency patient presenting with seizure (an evidence-based review): Report of the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology. Neurology. 2007;69:1772-1780. (Systematic review) 7. Coplin W, Rhoney D, Rebuck J, Clements E, Cochran M, O’Neil B, et al. Randomized evaluation of adverse events and length-of-stay with routine emergency department use of phenytoin or fosphenytoin. Neurol Res. 2002;24:842-848. (Prospective, randomized; 256 patients) 8. Swadron S, Rudis M, Azimian K, Beringer P, et al. A comparison of phenytoin-loading techniques in the emergency department. Acad Emerg Med. 2004 11:244-252. (Prospective, Randomized; 45 patients) 9. Osborn H, Zisfein J, Sparano R. Single-dose oral phenytoin loading. Ann Emerg Med. 1987;16:407-412. (Prospective, 44 patients) To write a letter to the editor, email Reuben Strayer, MD, Editor-In-Chief, at: strayermd@ebmedicine.net Opinions expressed are not necessarily those of this publication. Mention of products EM Practice Guidelines Update (ISSN Online: 1949-8314) is published monthly (12 times per year) by EB Practice, LLC, 5550 Triangle Parkway, Suite 150 Norcross, GA 30092 Telephone: 1-800-249-5770 or 1-678-366-7933; Fax: 1-770-500-1316 Email: ebm@ebmedicine.net Website: www.ebmedicine.net guide and is intended to supplement, rather than substitute, for professional judgment. or services does not constitute endorsement. This publication is intended as a general It covers a highly technical and complex subject and should not be used for making specific medical decisions. The materials contained herein are not intended to establish policy, procedure, or standard of care. 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Physician CME information for EM Practice Guidelines Update missed an issue or need a quick resource to get you up to date, the Evidence-Based Practice Recomations Compendium is for you. In this concise, patient-care focused resource, we’ve compiled the key and references from our complete archives for 2009 for both Emergency Medicine Practice ediatric Emergency Medicine Practice. To take the CME test, visit: www.ebmedicine.net/cme Now you can get summaries for an entire he Evidence-Based Practice Recommendations Compendium, youand benefit from: year of Emergency Medicine Practice Pediatric Emergency Medicine Practice articles cise summaries that save you time ctice recommendations on a broad rangeeasy-to-read of topics -- from neurological in one engaging, resource.emergencies Date of Original Release: January 1, 2010. Date of most recent review: December 1, 2009. Termination date: January 1, 2013. 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In this concise, he Evidence-Based Practice Recommendations Compendium, you receive aries for all ofpatient-care-focused our 2009 articles for both Emergency Medicine Practice resource, we’ve and tric Emergency Medicine Practice in one concise resource! compiled the key points and references www.ebmedicine.net/PRC, call 1-800-249-5770, complete and (or from our complete 2009 or archives formail both he reply card below to order today! Emergency Medicine Practice and Pediatric Emergency Medicine Practice. Credit Designation: EB Medicine designates this educational activity for a maximum of 12 AMA PRA Category 1 Credits™ per year. Physicians should only claim credit commensurate with the extent of their participation in the activity. 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Detach lower portion and return, or phone 1-800-249-5770, or fax your order to 1-770-500-1316. Objectives: Upon completion of this article, you should be able to: (1) Describe the pharmacologic approach to ongoing seizures not responsive to initial benzodiazepine therapy; (2) Identify the diagnostic workup routinely indicated in the unprovoked first seizure; (3) Identify the indications for EEG monitoring in the emergency department. Emergency Practice and Pediatric EM Practice subscribers WithMedicine the Evidence-Based Practice Recommendations Compendium, save $50 off the regular price of $149 when you order within 30 days you benefit from: Return this order card to lock in your exclusive discounted rate of just $99 for Evidence-Based Practice Recommendations Compendium. You also receive 4 AMA PRA Category 1 Credits TM at no extra charge! 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Adobe Reader is required to view the PDFs of the archived articles. Adobe Reader is available as a free download at www.adobe.com. Visit www.ebmedicine.net/PRC or call 1-800-249-5770 and use Promotion Code P1AAA. EM 2010 EM Practice Practice Guidelines Guidelines Update Update © © 2009 Additional Policies: For additional policies, including our statement of conflict of interest, source of funding, statement of informed consent, and statement of human and animal rights, visit: http://www.ebmedicine.net/policies 17 ebmedicine.net • January 2010 ebmedicine.net • November 2009 || print | WEBSitE print | |SUBSCRIBE SUBSCriBE| WEBSITE CurrentPositional GuidelinesVertigo For Management Of Seizures Benign Paroxysmal And Acute Otitis ExternaInInThe TheEmergency ED: CurrentDepartment Guidelines Want to receive EM Practice Guidelines Update free? Subscribe to Emergency Medicine Practice and you’ll receive EM Practice Guidelines Update at no additional charge! Plus, you receive all the benefits of Emergency Medicine Practice: • A chief-complaint focus: Every issue starts with a patient complaint — just like your daily practice. You’re guided step-by-step in reaching the diagnosis — often the most challenging part of your job. • An evidence-based medicine approach: The degree of acceptance and scientific validity of each recommendation is assessed based on strength of evidence. Years Evidence-B ased Appro ach To Diagnos is Of Aneurys And Management ma Hemorrhag l Subarachnoid e In The Em ergency Departmen t Improving Patien t Care July 2009 Authors Volume 11, Lisa E. Thoma Number 7 s, MD Department of Emerge Hospital & ncy Massachusetts Medicine, Brigham & Women Jonathan General Hospita ’s Edlow, MD l, Boston, Vice Chair, MA Department Beth Israel of Emerge Deaconess ncy Medicine, Medical Center;Medicine Harvard Medica Associate l School, Joshua N. Boston, MA Professor of Goldstein, Instructor MD, PhD, in Surgery FAAEM (Emergency School, Departm Medicine), General Hospita ent of Emergency Harvard Medica Medicine, l, Boston, Massachusetts l MA Peer Review ers You walk into a crowded Your first patien evening shift in the emerg her head, compl t is a middle-aged woman lying ency department (ED). with her hands about a subara aining of the “wors t heada noncontrast chnoid hemorrhage (SAH che of her life.” You clutching head compu are worried E. Bradshaw says that her ted tomography ). You treat her pain Bunney, Associate MD, FACEP and order headache is Professor, (CT), which a kids. Does Residency Emergency is negative. Director, Departm Medicine, she really needbetter and that she needs She now Chicago, University ent of to stay for IL to go home of Illinois at Chicago an LP, which a lumbar puncture to pick up Neal Little, , (LP)? her is also negati need any additi MD, FACEP Adjunct Clinical ve. Can she She eventually agrees onal worku Assistant Medicine, go home now? p? Professor, While you University Department are Does she of Michiga thinking about of Emerge n Medical migraine arrive CME Objecti ncy School, Ann this, ves Arbor, MI lasted 12 hours s complaining of sudde another patient with Upon comple a tion histor n-ons of this article, y of et, severe heada 1. Describ SAH? After . Is this headache her you should e the che be able to: usual migra further histor discuss the classic presentation ine or could that has and you obtain of an SAH wide spectru y is obtain 2. Describ as m of present well as this ed, e the diagnos ation. some clearin a CT, which is norma you are concerned about be an tic approac having an h to a patient SAH. g l. 3. Identify suspected it may have of red blood cells (RBC You perform an LP, which an SAH the major of limitations been a traum modalities. s) from tube shows in interpre pondering ting the diagnos 1 to tube 4, 4. Discuss this, the lab atic tap, but how can general principle tic you be sure? and you think the ED. calls to say diagnosis of s of acute SAH manage there is xanth Just as you 5. Identify SAH. After ment in common are ochromia. should you calling for pitfalls in You neurosurgic do in the ED the diagnos is of SAH. al consultation make the to treat this Date of original patient? , what else release: July Date of most 1, 2009 recent Editor-in-Ch Andy Jagoda, ief MD, FACEP Professor and Chair, Department of Emergen cy Sinai School Medicine, Mount of Medicine Director, Mount ; Medical Sinai Hospital, York, NY New Editorial Chattano oga, TN Michael A. Gibbs, Chief, Departm MD, FACEP ent of Emergen Medicine, cy Maine Medical Portland, Center, ME Charles V. Pollack, Jr., FACEP MA, MD, Chairman, Department Emergency of Medicine Termination review: April 27, 2009 date: July 1, 2012 Medium: Prior to beginni Print and online ng this activity, see “Physic Information” ian CME on page 27. University Medical Center, Nashville , TN Internationa Steven A. , Pennsylv Hospital, Godwin, Universit ania Jenny Walker, Board l Editors MD, FACEP MD, MPH, Health System, y of Pennsylv Assistant William J. Assistant MSW Professor ania Peter Camero Brady, MD Philadelp Professo and Emergen Medicine hia, PA n, MD Professor Family Medicine r; Division Chief, Residenc cy Michael S. Radeos, Chair, Emergen of y Director, University , Departm and MedicineEmergency Medicine of Commun cy Medicine MD, MPH Assistant of Florida ent Monash Universit ity and Preventiv , Professor HSC, Jacksonv Emergency Vice Chair of Medicine, of Emergen y; Alfred Hospital, Medicine, ille, FL Melbourn e Medicine, Mount Sinai cy Weill e, Australia of Virginia University Center, New Medical Gregory Cornell UniversitMedical College School of L. Henry, York, NY Amin Antoine of Medicine, Charlotte y, New York, MD, FACEP CEO, Medical sville, VA Kazzi, MD, Ron M. Walls, NY. Robert L. Associate FAAEM Rogers, MD Assessment, Practice Risk Professor Peter DeBlieux Professo FAAEM, FACP MD, FACEP, and Vice Chair, Departm r and Chair, , MD of Emergen Inc.; Clinical Professo Professo ent of Emergen of Emergen Department Assistant cy Medicine, r of cy Professor cy of Michigan Medicine, Universit r Universit LSU Health Clinical Medicine and Women’s Medicine, Brigham of Medicine Irvine; American y of California , Ann Arbor, y , , The UniversitEmergency Hospital,Harvard , MI Director of Science Center; Medical School, University, John M. Howell, Maryland Lebanon y of Emergen Beirut, School of Boston, cy Medicine Services, MD, Medicine FACEP Clinical Professo Baltimore, MA Scott Weingar University , Hugo Peralta, MD Hospital, Orleans, r of Emergen t, MD Medicine, New MD LA Assistant Alfred Sacchet George Washing cy Chair of Emergen Professo University, ti, MD, FACEP Wyatt W. r of Emergen Medicine ton Assistant Washington, Hospital Italiano, cy Services, Decker, MD , Elmhurs cy Clinical of Academic DC;Director t Hospital Chair and Center, Mount Professo Buenos Aires, Department Argentina Affairs, Best Associate Sinai School Inc, Inova of Emergen r, Professor Emergency Medicine Thomas Jefferson Fairfax Hospital,Practices, cy Medicine of of , New York, Medicine, Maarten Church, VA , College of Mayo Clinic Falls NY University, Simons, Philadelp Research Medicine, MD, PhD hia, PA Emergency Rocheste Editors Medicine Francis M. r, MN Keith A. Marill, Scott Silvers, Director, OLVG Residenc MD Fesmire Assistant Nicholas y MD, FACEP Director, Heart-St , MD, FACEP Hospital, Medical Director, Professor, Genes, Amsterdam, Department Emergency Chief Resident MD, PhD The Netherla Erlanger Medical roke Center, Department Emergency of Medicine, nds , of Mount General Hospital, Medicine, Massachusetts Center; Assistan Emergency Sinai Professor, Jacksonv Mayo Clinic, Medicine UT College t ille, FL School, Boston, Harvard Medical Residenc New York, of Medicine y, NY MA , Corey M. Slovis, MD, Lisa Jacobso Accreditation: FACP, FACEP Professor n, MD This activity Chief Resident and Chair, (ACCME) has been of Emergen Department through the of Medicine , Mount Sinai School cy Medicine Thomas, sponsorship planned and impleme , Emergen Dr. , Vanderb of EB Medicin nted Residenc ilt discussed Edlow, Dr. Bunney, y, New York, cy Medicine e. 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