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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)
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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
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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
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