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ACOFP 54th Annual Convention & Scientific Seminars Urgency vs. Emergency: Pearls for the Urgent Care Physician Lindsay Saleski, DO, MBA, FACOEP 3/9/2017 Urgency vs. Emergency Pearls for the Urgent Care Physician LINDSAY TJIATTAS-SALESKI DO, MBA, FACOEP FAMILY PRACTICE/EMERGENCY MEDICINE MIDLANDS EMERGENCY PHYSICIANS PALMETTO HEALTH TUOMEY Objectives  To provide the urgent care physician with evidence based information regarding common outpatient presentations, initial treatment strategies and potential need for more emergent care. 1 3/9/2017 Outline  Head trauma evaluation – PECARN and Canadian Head CT Rules  Human Bite  Evaluation of Hypertension  Supracondylar Fracture  Pharyngitis  Headache  Scaphoid Fracture  Allergy versus Anaphylaxis  Cervical spine trauma  Pulmonary Embolism Clinical Prediction Rules Doc… my kid fell off the bed and hit their head!  Pediatric Emergency Care Applied Research Network – PECARN  Federally-funded multi-institutional network for research in pediatric emergency medicine in the United States  Pediatric Head Injury Prediction  provides factors to identify those at very low risk of clinically important traumatic brain injuries for whom CT might be unnecessary  Prospective cohort study of 42,412 children  Children (<18 years) presenting within 24 hours of head trauma, with Glasgow Coma Scale scores of 14 to 15 2 3/9/2017 Pediatric Head Injury/Trauma Algorithm Children younger than 2 years Children ages 2 years and older  Normal mental status  Normal mental status  No scalp hematoma except frontal  No loss of consciousness  No loss of consciousness or loss of consciousness for <5 seconds  No vomiting  Non–severe injury mechanism  No signs of basilar skull fracture  No severe headache  Non–severe injury mechanism  No palpable skull fracture  Acting normally according to the parents Doc…I fell and hit my head!    Traumatic brain injury (TBI) = brain function impairment that results from external force  Mild: GCS  14-15 (Most Common)  Moderate: GCS  9-13  Severe: GCS  3-8 History and Physical Exam  Pupillary response  Altered motor function  Age of patient  Comorbidities (anticoagulant use?) Decision rules attempt to limit unnecessary CT imaging & identify surgical emergencies 3 3/9/2017 Canadian CT Head Injury/Trauma Rule  Can clear a head injury without imaging  Apply to patients with:   GCS 13-15 and LOC  Amnesia to the event  Confusion Excludes:  Age <16  Seizure after injury  Blood thinner use Canadian Head CT Rule  High Risk Criteria: Rules out need for neurosurgical intervention  GCS <15 at 2 hours post-injury  Suspected open or depressed skull fracture  Any sign of basilar skull fracture?   Hemotympanum, raccoon eyes, Battle’s Sign, CSF oto-/rhinorrhea  ≥ 2 episodes of vomiting  Age ≥ 65 Medium Risk Criteria: In addition to above, rules out “clinically important” brain injury (positive CT's that normally require admission)  Retrograde amnesia to the event ≥ 30 minutes  “Dangerous” mechanism?  Pedestrian struck by motor vehicle, occupant ejected from motor vehicle, or fall from > 3 feet or > 5 stairs. 4 3/9/2017 Doc…I punched a door and now my hand hurts! Human bite: the "Fight Bite”  Clenched-fist injury: 3rd – 5th metacarpophalangeal joints of the dominant hand  Complications: cellulitis, septic arthritis, osteomyelitis   Injury possible to the extensor tendon/bursa, the superficial/deep fascia, joint capsule Polymicrobial infection with normal human oral flora:  S. aureus (20-40%)  Eikenella corrodens (25%)  Streptococcus species  Anaerobic: Prevotella species, Fusobacterium nucleatum, Peptostreptococcus 5 3/9/2017 Treatment  Neurovascular evaluation of the hand & plain radiographs to rule out fracture  Copious irrigation and debridement  DO NOT close the wound (exceptions  cosmetic)  Wound culture  Antibiotics ISDA and Tintinalli  Amoxicillin/clavulanic acid 875/125 mg PO BID  Ampicillin-sulbactam 1.5-3 gm Q 6 hours or cefoxitin 2gm Q 8 hours or piperacillin-tazobactam 3.375 grams Q6 hours  PCN allergy – clindamycin plus moxifloxacin or TMP-SMX and metronidazole  Clindamycin 300 mg tid or 600 mg every 6–8 h plus Cipro 500–750 mg bid 400 mg every 12 h Doc….My blood pressure is 210/115!  First thing…Recheck it!  HTN defined as SBP>140 mm Hg and DBP > 90 mm Hg  Primary (essential) vs. Secondary  ED Classification:  Asymptomatic elevated BP without hx HTN  Uncontrolled HTN  Hypertensive emergency 6 3/9/2017 Hypertensive Emergency  Hypertensive emergency = HTN with evidence of ACUTE end organ dysfunction  Heart: Chest pain, Acute MI, Pulmonary edema  Brain: Hypertensive encephalopathy/CVA/Hemorrhage   Cerebral autoregulation  Kidney: Ischemia and Renal impairment  Vascular: Aortic Dissection  Other: Eclampsia, Retinal Hemorrhage, drug abuse (cocaine, amphetamine) Sx: SOB, CP, HA, MS change, vision changes Hypertensive Emergency Management   Immediate treatment  Reduce MAP 10-20% in 30-60 minutes  Addition reduction 5-15% over next 23 hours  Reduction beyond this risks end organ ischemia due to relative hypotension  Exception: Aortic dissection  acute goal = 100-120mm Hg Drugs of choice:   IV Meds  Nicardipine, Labetalol, Esmolol Disposition  admission 7 3/9/2017 Asymptomatic Hypertension  2013 ACEP Clinical Policy on Asymptomatic Hypertension  Should I screen for target-organ injury?    Asymptomatic HTN  PCP f/u, no acute tx, labs may be helpful in select patients  Routine lab screening not required  If patients have poor follow-up, screening may identify acute kidney injury Should I treat the blood pressure?  Medical intervention not required  If poor follow-up can treat in the ED and rx meds Patel KK, et al. Characteristics and Outcomes of Patients Presenting With Hypertensive Urgency in the Office Setting. JAMA Intern Med. 2016 Jul 1;176(7):981-8  “Hypertensive urgency is common, but the rate of MACE in asymptomatic patients is very low. Visits to the ED were associated with more hospitalizations, but not improved outcomes. Most patients still had uncontrolled hypertension 6 months later.” Asymptomatic Hypertension Management - Outpatient  JNC 8 BP tx threshold of 150/90 mm Hg in the >60 age group and 140/90 mm Hg in <60 age group, DM and CKD  JNC7: chemistry, EKG, chest xray, UA, prior to therapy initiation  Medical treatment:   Non-black: thiazide type diuretics, ACEIs, ARBs, CCBs  Black: thiazide type diuretics, CCB  Chronic kidney disease: ACE or ARB (do they have a PCP) AHA/ACA/CDC 2014 Science Advisory:  Stage 1: lifestyle modifications and HCTZ  Stage 2: lifestyle modifications plus thiazide in combo with ACEI, ARB, CCB 8 3/9/2017 Hypertension Conclusions…  No evidence to suggest that patients with asymptomatic hypertension should be acutely treated  Controversy as to whether or not to prescribe antihypertensive  ED or Urgent care visit may be one of their few contacts with a health care professional  Counsel  Outpatient f/u within a month  DC instructions: Return if  severe headache, focal weakness or paresthesias, SOB Supracondylar Fracture Anterior humeral line Posterior Fat Pad 9 3/9/2017 Supracondylar Fracture      Distal Humerus Fracture proximal to condyles Mostly in children due to strong collateral ligaments that prevent dislocation (Peak age 5-10 years) Mechanism  FOOSH, elbow hyperextension X-ray  Posterior fat pad sign, anterior displacement humerus Treatment:  Gartland I: non-displaced, immobilized in posterior splint and 48 hour ortho f/u  Gartland II: Some displaced, intact posterior cortex  Gartland III: Completely displaced, no cortical contact   Surgical: Closed Reduction with pin fixation Complications  loss of carrying angle, nerve injury, compartment syndrome, Volkmann Ischemic contracture Lateral Elbow: Normal Anterior Humeral Line Middle 3rd of Capitellum 10 3/9/2017 Abnormal Joint Effusion Doc…My Throat Hurts!   Rule out emergencies…  Is the patient in respiratory distress?  Drooling, trismus, Increased RR rate, hypoxia? Differential Diagnosis:  Peri-tonsillar abscess  unilateral, trismus, deviation of the uvula  Epiglottitis  sick appearing, leaning forward, drooling  Ludwigs Angina  recent dental procedures  Malignancy  smoking ,weight loss  Angioedema swelling of tongue, lips, oral mucosa  Thyroiditis  neck swelling 11 3/9/2017 Bacterial Vs. Viral Pharyngitis   Viral  vesicular or petechial pattern on the soft palate and tonsils and is associated with rhinorrhea  16% have tonsillar exudate  55% have cervical adenopathy  64% lack cough  Diagnostic testing not necessary except: influenza, mononucleosis, & acute retroviral syndrome Bacterial  Group A β-hemolytic Streptococcus: adults (15%), children (30%)  Incubation period of 2 to 5 days  Sudden onset of sore throat, painful swallowing, chills, and fever  Signs and symptoms:  Erythema of the tonsils (62%)  Exudate (32%)  Enlarged, tender cervical lymph nodes (76%) Diagnostic Testing  Centor and Modified Centor Criteria  Original article in 1981: exudates, anterior cervical adenopathy, no cough, fever  Modified in 1998: Age qualifier added  Age 3-14 years (+1)  Age 15-44 years (+0)  Age >45 years (-1)  Rapid Antigen Detection Testing (RADT) or Throat culture (gold standard)  Guidelines:   ISDA 2012  2+, perform RADT  AHA/AAP 2009  2+, perform RADT  CDC/AAFP/ACP  2, perform RADT, 3+ RADT or treat empirically If viral sx (coryza, cough, diarrhea, ulcerative stomatitis) and score 0-1  no testing/no treating 12 3/9/2017 Treatment  Decrease: symptom duration, infectivity  Complications:   Suppurative  peritonsillar abscess, OM, sinusitis  Non-suppurative complications acute rheumatic fever, PSGM Antibiotics   First Line (CDC recommendations):  Penicillin VK: Children: 250 mg twice daily or 3 times daily; adolescents and adults: 250 mg 4 times daily or 500 mg twice daily x 10 days  Amoxicillin: 50 mg/kg once daily (max = 1000 mg); alternate: 25 mg/kg (max = 500 mg) twice daily x 10 days  Penicillin G benzathine: <27 kg: 600,000 U; ≥27 kg: 1,200,000 U IM x 1  PCN Allergy (not severe): Cephalexin PO, Cefadroxil PO  Severe PCN Allergy: Clindamycin PO, Azithromycin PO, Clarithromycin PO Pain Relief  NSAIDS, Acetaminophen, throat lozenges https://www.cdc.gov/groupastrep/diseases-hcp/strep-throat.html Steroids?  Cochrane Review from 2012 of 8 trials involving 743 patients showed:  “Oral or intramuscular corticosteroids, in addition to antibiotics, increase the likelihood of both resolution and improvement of pain in participants with sore throat. Further trials assessing corticosteroids in the absence of antibiotics and in children are warranted.”  ISDA 2012 Guidelines  recommends against use for symptoms  Dosing:  Dexamethasone 0.6mg/kg, maximum 10mg  Prednisone 60mg PO for 1-2 days 13 3/9/2017 Doc…my head hurts!  Typical of previous headaches?  Worst headache of your life?  How did it onset? (sudden versus gradual)  Fevers and chills?  Meningeal signs?  Characterize the headache?  Associated symptoms?  Surrounding events? (trauma, pregnancy, recent infection)  Hypercoagulable or on anticoagulants?  Age? Differential Diagnosis  Differential Diagnosis  Migraine  Meningitis  Cluster headache  Hypertension, hypertensive encephalopathy  Temporal (giant cell) arteritis  Tumor  Caffeine, alcohol or drug withdrawal  Carbon monoxide poisoning  Venous sinus thrombosis  Pseudotumor cerebri  Post-Lumbar Puncture • • • • • • • • • Tension Headache Sinusitis Cervical arthritis Acute angle closure glaucoma Dental Abscess Otitis Media TMJ Trigeminal neuralgia Depression • Cerebral ischemia • Post LP Headache • Subarachnoid hemorrhage 14 3/9/2017 Subarachnoid Hemorrhage  Acute bleed into the subarachnoid space  Non-traumatic  Ruptured berry aneurysm 85%  Symptoms  Sudden onset severe headache  Activities that increase ICP  intercourse, coughing, weight lifting, defecation  Nausea and vomiting  Seizures, neck stiffness, photophobia  “Sentinel bleed” Subarachnoid Hemorrhage Diagnosis  CT without contrast the longer since onset headache, less sensitive the CT   CT within 6 hours… Lumbar puncture  If clinical suspicion and negative CT  Persistent RBC in tubes 1-4 (usually in thousands) indicates SAH  Zero RBCs in the 4th tube = traumatic tap  CTA/MRI – has not replaced current diagnostic approach  Treatment  Neurosurgery evaluation  BP control  Antiemetics 15 3/9/2017 Meningitis  1.38 out of 100,000 people with fatality rate 14.3%  Inflammation of membranes covering spinal cord or brain due to bacterial, viral or fungal infection  Causes  Recent otitis, sinusitis, pneumonia or immunocompromised, trauma, neurosurgery, indwelling medical devices  Bacterial  S. pneumoniae (MC), N. meningitides, L. monocytogenes  Viral  Enteroviruses (MC, summer), Herpes simplex  Fungal  Cryptococcus, Toxoplasma  Non-infectious  Lupus, Vasculitis, Sarcoidosis etc. Meningitis Diagnosis  Symptoms & Exam   Fever, headache, neck stiffness, altered MS, photophobia, vomiting, seizures, petechial/purpuric rash, Kernig/Brudzinski CT head without contrast  Before LP IDSA recommends for patients who meet any criteria:  Immunocompromised state  History of CNS disease (mass lesion, stroke, or focal infection)  New-onset seizure within 1 week of presentation  Papilledema  Abnormal level of consciousness  Focal neurologic deficit  LP  Disposition  Admission and monitoring  Contraindications  coagulopathy 16 3/9/2017 Chemoprophylaxis  Exposure increases risk by 500-800x normal population  Close contacts:  Housemates  Secretion exposure (kissing, shared utensils or toothbrush, person who intubated without a facemask)  Can decrease transmission by 89% in N. menengitidis  Initiate within 24 hours, but no later than 2 weeks  Rifampin 10 mg/kg (max 600mg) Q 12 hours x 4 doses  Cipro 500mg PO once  Ceftriaxone 250mg IM once Scaphoid Fracture  image Mid-distal scaphoid fracture without displacement 17 3/9/2017 Scaphoid Fracture  Most common carpal fracture  Must suspect with “snuff box” tenderness  Imaging – wrist and scaphoid x-rays  Sometimes negative with acute injury “occult”  Can CT or MRI  Treatment of Identified fractures and suspected..  Thumb spica splint and ortho follow-up  Complications  Avascular necrosis (AVN)  Distal scaphoid supplied by radial artery  AVN of proximal fragment Picture Thumb Spica • Fracture of the proximal portion of the scaphoid bone with displacement of the fracture fragments 18 3/9/2017 Doc, I’m itchy and my tongue is swollen…  What is “just” an Allergic Reaction vs. Anaphylaxis?  Vital signs?  Causes: medications, foods, insect stings, environmental allergens, latex, exercise, and other unknown factors  Differential Diagnosis:  MI, arrhythmia, PE, Asthma, COPD  Vasovagal response, anxiety, septic shock  Scromboid poisoning, monosodium glutamate syndrome  Ace inhibitor or hereditary induced angioedema Definition of Anaphylaxis from NIAID/FAAN 1. “Acute onset of an illness (minutes to several hours) with involvement of the skin, mucosal tissue, or both” AND one of the following:  2. Two or more of the following that occur rapidly after exposure to a likely allergen for that patient  3. Respiratory compromise or reduced BP Involvement of skin-mucosal tissue, respiratory compromise, hypotension, GI symptoms Reduced BP after exposure to known allergen for that patient  30% decrease in systolic BP in children or adults Campbell, Ronna L. et al.Evaluation of National Institute of Allergy and Infectious Diseases/Food Allergy and Anaphylaxis Network criteria for the diagnosis of anaphylaxis in emergency department patients. Journal of Allergy and Clinical Immunology , Volume 129 , Issue 3 , 748 - 752 19 3/9/2017 Treatment of Anaphylaxis  Prehospital  Evaluate VS and ABCs/monitor  Supplemental O2  Large bore IV access  IV fluids, supine position with elevation of legs  Remove hymoneptera stinger  B-agonists – 2.5mg via nebulizer  Steroids Medications to Initiate    Epinephrine 0.3 to 0.5mL (0.01mg/kg in children max 0.3 dosage) of epinephrine in a 1:1000 dilution  IM, lateral aspect of the thigh  Every 5-10 minutes as necessary Antihistamines:  Diphenhydramine 25-50mg  H1 and H2: Ranitidine 50mg (adult) 1mg/kg (children) Corticosteroids  Prednisone 1mg/kg PO  Methylprednisolone 125mg IV 20 3/9/2017 Disposition  Admission  Limited access to phone or emergency services  Prior history of anaphylaxis  Underlying asthma, renal disease, CHF, B-blocker usage  Discharge after Observation  AAAI and AI Joint Task force – observation time based on individual patients  NIAID &FARE – observation time of 4-6 hours  Biphasic reaction in 5-20% Doc…my neck hurts after an MVA  Low risk trauma patients: Alert, stable, adult trauma patient w/o neurologic deficits  National Emergency X-Radiography Utilization Study (NEXUS) - 1998   Plain cervical spine injury unnecessary if patients lack 5 criteria  99.6% sensitive, 12.9% specific, negative predictive value 99.9%  Limitations: Age >60 Canadian Cervical Spine Rule for Radiography (CCR)  3 assessments asked in sequential order  If any answer is positive  imaging  100% sensitive, 42.5% specific  Limitations: Complexity compared to NEXUS 21 3/9/2017 NEXUS Criteria 1. Absence of midline cervical tenderness 2. Normal level of alertness 3. No evidence of intoxication 4. Absence of focal neurologic deficit 5. Absence of painful distracting injury  If any of the above criteria are present, the C-Spine cannot be cleared clinically by these criteria, consider imaging Canadian C-Spine Rule Assessments 1. There are no high risk factors that mandate radiography 2. There are low risk factors that allow for a safe assessment of range of motion 3. The patient is able to actively rotate the neck Definitions  Age 65 or older  A dangerous mechanism of injury  Paresthesias in extremities  Simple rear-end MVA  Patient able to sit up  Ambulatory  Delayed onset of pain  Absence of midline TTP  Can rotate neck 45 degrees bilaterally 22 3/9/2017 Cervical Spine Imaging    Plain radiography  3 views: Lateral, anterior-posterior, odontoid  Clinically acceptable study: all 7 vertebrae and superior border first thoracic  Benefits: Cost- effective, bedside, small amount of radiation  Disadvantages: C1 & C2, Visualizing spine due to body habitus Cervical Spine CT  More sensitive and specific than plain X-rays  Consider for moderate & high risk patients Thoracic and Lumbar Spine Imaging Doc…it hurts when I take a deep breath!  History  Differential:  Duration?  Pneumonia  Location?  Bronchitis  Associated symptoms?  Pulmonary embolism  Constant or intermittent?  Pneumothorax  Aggravating or alleviating factors?  Pericarditis  Rib fracture  Esophageal spasm/rupture  Atypical CP/MI 23 3/9/2017 Pulmonary Embolism  650,000 - 900,000 PEs each year in the US  200,000 deaths  Pulmonary Embolism:     Thrombus forms in the venous system (MC LE DVT) and embolizes to the lung Causes acute obstruction of the pulmonary arterial system and pulmonary ischemia/infarction Large emboli  obstruction of right ventricular outflow and circulatory collapse Risk Factors: THROMBOSIS  Trauma, travel  Hypercoagulable, hormone replacement  Relatives, recreational drugs  Old (age >60)  Malignancy  Birth control  Obesity, obstetrics  Surgery, smoking  Immobilization  Sickness Pulmonary Embolism  Symptoms  Hemoptysis  Shortness of breath  Pleuritic chest pain  Exam: SOB, tachy, clear lungs, hypoxia, unilateral leg swelling, +/unstable VS  Diagnosis  EKG  ST, S1Q3T3, new RBBB  CXR  Hampton Hump, Westermark sign  D-dimer  CTA/VQ Scan 24 3/9/2017 PERC Rule for Pulmonary Embolism  Rules out PE if no criteria are present and pre-test probability is ≤15%  If all are negative, no need for further workup, <2% chance of PE  ACEP 2011 Clinical Policy: “Level B recommendations. In patients with a low pretest probability for suspected pulmonary embolism, consider using the PERC to exclude the diagnosis based on historical and physical examination data alone.”  D-dimer:  D-dimer if low-risk, but not PERC negative  D-dimer  negative and pre-test probability is <15% then no further testing  D-dimer  positive then CT-angiography or V/Q Criteria for PERC Rule  Clinical low probability (<15% probability of PE based on gestalt assessment)  Age < 50  HR < 100  O2 sat on room air > 94% at near sea level  No prior hx DVT or PE  Recent trauma or surgery  No Hemoptysis  No estrogen use  No unilateral leg swelling (asymmetrical calves on visual inspection) 25 3/9/2017 Wells Clinical Prediction Rule for PE  Risk stratifies patients for PE & provides an estimated pre-test probability  Based on risk, physician chooses next diagnostic study  D-dimer  CTA  3 tiers: low, moderate, high  2 tiers: unlikely, likely  (supported by ACEP’s 2011 clinical policy on PE)  Main criticism: has a “subjective” criterion in it “PE #1 diagnosis or equally likely” Wells Clinical Prediction Rule for PE Point Score Risk Score Interpretation  Suspected DVT  3  Alt dx less likely than PE  3 points  Low risk (<2 points): 1.3%  Heart rate > 100 bpm  1.5  Mod risk (2-6 points): 16.2%  Prior venous thrombus  1.5  High risk (>6 points): 37.5%  Immobilization w/in 4 wks  1.5  Active malignancy  1  PE unlikely (0-4 points): 12.1%  Hemoptysis  1  PE likely (>4 points): 37.1%   3- Tier model 2-Tier model 26 3/9/2017 D-dimer  Clots contain fibrin, degraded by plasmin  yields D-dimer  Half-life of approximately 8 hours, can be elevated for at least 3 days  Factors known to give false positive D-dimer level   Sensitivity: 94-98%, Specificity: 50-60%  Age > 70  Pregnancy  Malignancy  Recent surgical procedure  Liver disease  RA  Trauma Potential false negatives: Lipemia, symptoms > 5 days, warfarin, small pulmonary infarction, isolated calf vein thrombosis Closing Points… 27 3/9/2017 References Pediatric Head Trauma  Kupperman N, Holmes J, et al. Identification of children at very low risk of clinically-important brain injuries after head trauma: a prospective cohort study. The Lancet. Volume 374, Issue 9696, 3–9 October 2009, Pages 1160–1170  Goldman R. Decision rules can identify children at very low risk of clinically important traumatic brain injury. Journal of Pediatrics, The, 2010-03-01, Volume 156, Issue 3, Pages 509-510, Copyright © 2010 Mosby, Inc.  Schonfeld D1, Bressan S, et al. Pediatric Emergency Care Applied Research Network head injury clinical prediction rules are reliable in practice. Arch Dis Child. 2014 May;99(5):427-31. doi: 10.1136/archdischild-2013-305004. Epub 2014 Jan 15.  Easter JS, Bakes K et al. Comparison of PECARN, CATCH, and CHALICE rules for children with minor head injury: a prospective cohort study. Ann Emerg Med. 2014 Aug;64(2):145-52, 152.e1-5. doi: 10.1016/j.annemergmed.2014.01.030. Epub 2014 Mar 11.  PECARN Pediatric Head Injury/Trauma. Injury/Trauma Algorithmhttps://www.mdcalc.com/pecarn-pediatric-head-injury-traumaAlgorithmhttps://www.mdcalc.com/pecarn-pediatric-head-injury-traumaalgorithm Canadian Head CT References  Stiell IG, Wells GA, et al. The Canadian CT Head Rule for patients with minor head injury. Lancet. 2001 May 5;357(9266):1391-6.  Stiell IG, Clement CM, et al. Comparison of the Canadian CT Head Rule and the New Orleans Criteria in patients with minor head injury. JAMA. 2005 Sep 28;294(12):1511-8.  Easter JS, Hakoos JS, et al. Traumatic intracranial injury in intoxicated patients with minor head trauma. Acad Emerg Med. 2013 Aug;20(8):753-60. doi: 10.1111/acem.12184. 28 3/9/2017 References Fight Bite    Goldstein E, Abrahamian F. Human Bites. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases, Updated Edition. 320, 3510-3515.e1. Eighth Edition. Copyright © 2015 by Saunders, an imprint of Elsevier Inc. Stevens D, Bisno A, Chambers H, et. al. Practice Guidelines for the Diagnosis and Management of Skin and Soft Tissue Infections: 2014 Update by the Infectious Diseases Society of America. CID 2014:59 (15 July). Germann CA. Germann C.A. Germann, Carl A.Nontraumatic Disorders of the Hand. In: Tintinalli JE, Stapczynski J, Ma O, Yealy DM, Meckler GD, Cline DM. Tintinalli J.E., Stapczynski J, Ma O, Yealy D.M., Meckler G.D., Cline D.M. Eds. Judith E. Tintinalli, et al.eds. Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e. New York, NY: McGrawHill; 2016. http://accessmedicine.mhmedical.com.vcom.idm.oclc.org/content.as px?bookid=1658§ionid=109447692. Accessed February 13, 2017. Hypertension References  Chobanian AV, Bakris GL, Black HR, et al. The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation and Treatment of High Blood Pressure – The JNC 7 Report. JAMA. 2003; 289 (19):2560-2572.  James PA, Oparil S, Carter BL, et al. 2014 Evidence-Based Guideline for the Management of High Blood Pressure in Adults: Report from the Panel Members Appointed to the Eigth Joint National Committee (JNC 8). JAMA. 2014;311(5):507-520.  Goldberg E. An Evidence-Based Approach to Managing Asymptomatic Elevated Blood Pressure in the Emergency Department. Emergency Medicine Practice. February 2015. Volume 17, Number 2.  Patel KK, et al. Characteristics and Outcomes of Patients Presenting With Hypertensive Urgency in the Office Setting. JAMA Intern Med. 2016 Jul 1;176(7):981-8.  Wolf et al. Clinical Policy: Critical Issues in the Evaluation and Management of Adult Patients in the Emergency Department with Asymptomatic Elevated Blood Pressure. Ann Emergency Medicine;62:59-68 29 3/9/2017 Supracondylar Fracture References    Blok B, Cheung D, Platts-Mills T. Elbow Injuries: Supracondylar Fracture. First Aid for the Emergency Medicine Boards. Copyright 2016 by McGraw-Hill Education. P215-16 The Treatment of Pediatric Supracondylar Humerus Fractures: Evidence Based Guideline and Evidence Report. American Academy of Orthopedic Surgeons. Published in 2011. http://www.aaos.org/research/guidelines/SupracondylarFracture/SupC onFullGuideline.pdf Chow YC. Chow Y.C. Chow, Yvonne C.Elbow and Forearm Injuries. In: Tintinalli JE, Stapczynski J, Ma O, Yealy DM, Meckler GD, Cline DM. Tintinalli J.E., Stapczynski J, Ma O, Yealy D.M., Meckler G.D., Cline D.M. Eds. Judith E. Tintinalli, et al.eds. Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e New York, NY: McGraw-Hill; 2016. http://accessmedicine.mhmedical.com.vcom.idm.oclc.org/content.as px?bookid=1658§ionid=109446609. Accessed March 08, 2017. References for PERC/PE  Kline JA, Mitchell AM et al. Clinical criteria to prevent unnecessary diagnostic testing in emergency department patients with suspected pulmonary embolism. J Thromb Haemost. 2004 Aug;2(8):1247-55.  Kline JA, Courtney DM et al. Prospective multicenter evaluation of the pulmonary embolism ruleout criteria. J Thromb Haemost. 2008 May;6(5):772-80. doi: 10.1111/j.1538-7836.2008.02944.x. Epub 2008 Mar 3.  Dachs R, Endres J, Garber M. Pulmonary Embolism Rule-Out Criteria: A Clinical Decision Rule That Works. Am Fam Physician. 2013 Jul 15;88(2):98-100.  Fesmire, Francis MD. ACEP News Contributing Writer. June 1, 2011. ACEP Clinical Policy Review: Suspected Pulmonary Embolism. http://www.acepnow.com/article/acep-clinical-policy-reviewsuspected-pulmonary-embolism/2/?singlepage=1  Critical Issues in the Evaluation and Management of Adult Patients Presenting to the ED with suspected PE. ACEP Clinical Policy. Ann Emerg Med 2011;57:628-652  Kline JA. Kline J.A. Kline, Jeffrey A.Venous Thromboembolism. In: Tintinalli JE, Stapczynski J, Ma O, Yealy DM, Meckler GD, Cline DM. Tintinalli J.E., Stapczynski J, Ma O, Yealy D.M., Meckler G.D., Cline D.M. Eds. Judith E. Tintinalli, et al.eds. Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e New York, NY: McGraw-Hill; 2016. http://accessmedicine.mhmedical.com.vcom.idm.oclc.org/content.aspx?bookid=1658§ioni d=109429015. Accessed March 08, 2017. 30 3/9/2017 Pharyngitis References  Hildreth A, Takhar S. Evidence Based Evlauation and Mangement of Patients with Pharyngitis in the Emergency Department. Emergency Medicine Practice. September 2015. Volume 17, Number 9.  Hayward G, Thompson MJ, Perera R, Et al. Corticosteroids as a standalone or add-on treatment for sore throat. Cochrane Database Syst Rev. 2012;10:CD008268.  Schams SC, Goldman RD. Steroids as adjuvant treatment of sore throat in acute bacterial pharyngitis. Can Fam Physician. 2012;58(1):52-54  Hartman ND. Hartman N.D. Hartman, Nicholas D.Neck and Upper Airway. In: Tintinalli JE, Stapczynski J, Ma O, Yealy DM, Meckler GD, Cline DM. Tintinalli J.E., Stapczynski J, Ma O, Yealy D.M., Meckler G.D., Cline D.M. Eds. Judith E. Tintinalli, et al.eds. Tintinalli’s Emergency Medicine: A Comprehensive Study Guide, 8e. New York, NY: McGraw-Hill; 2016. http://accessmedicine.mhmedical.com.vcom.idm.oclc.org/content.aspx?bookid=1658§ionid=1093 87281. Accessed February 13, 2017.  Evaluation of Pharyngitis. Urgent Care RAP. April 2015: Volume 1, Issue 2. Accessed 3/7/17.  Group A Streptococcal Disease, For Clinicians. CDC. https://www.cdc.gov/groupastrep/diseaseshcp/index.html. Accessed 3/7/17.  Shulman et al. Clinical Practice Guideline for the Diagnosis and Management of Group A Streptococcal Pharyngitis: 2012 Update by the Infectious Diseases Society of America. CID. https://www.idsociety.org/uploadedFiles/IDSA/GuidelinesPatient_Care/PDF_Library/2012%20Strep%20Guideline.pdf Headache References  Blok B, Cheung D, Platts-Mills T. Subarachnoid Hemorrhage. First Aid for the Emergency Medicine Boards. 3 rd Edition. p846-848.  Blok B, Cheung D, Platts-Mills T. CNS Infections: Meningitis. 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