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Emergency Medicine COMAT Test- Questions & 100% Correct Answers
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Emergency Medicine COMAT Test- Questions & 100% Correct Answers
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Emergency Medicine COMAT Test- Questions& 100% Correct Answers
What organisms are common in Dog Bites? - ✔✔alpha-hemolytic streptococci
S. Aureus, Pasteurella multocida
Anaerobes
Tx: Amox/Clav OR first gen cephalosporin (Keflex--Cephalexin, Cephazolin) for 5-7 days
doxy or tetracycline if allergy to others and levofloxacin + clindamycin for severe allergic
reactions to PCN/Cephala
What organisms are common in Cat bites? - ✔✔P Multocida, anaerobes
Tx: Amox/Clav
What organisms are common in Human bites? - ✔✔Polymicrobial, Viridians streptococci
(Eikenella corrodens, group A Streptococcus, Fusobacterium, Peptostreptococcus, Prevotella,
and Porphyromonas spp; and human skin flora such as staphylococci and streptococci)
Tx: Amox/Clav (Amp/Sulbactam, Pip/Tazo)
OR 2nd/3rd gen cephalosporins (Cefuroximine, Cefotetan/Cefdinir, Ceftriaxone)
What organisms are common in Rodent bites? - ✔✔Streptobacillus moniliformis, P
Multocida, Leptospira
,Tx: PCN
What organisms are common in Bat bites? - ✔✔Rabies
Tx: Vaccination against rabies
What organisms are common in snake bites? - ✔✔pseudomonas aeruginosa, proteus spp,
bacteroides fragilis, clostridium, venom
What organisms are common in Spider bites? - ✔✔venom--which can cause tissue necrosis
or paralysis
tx: antivenom as appropriate otherwise supportive care with analgesics, antihistamines, and
wound debridement
What can reverse epinephrine by vasodilation and alpha-1 adrenergic blockade? -
✔✔Phentolamine
what should be done when the eye is exposed to corrosive chemicals? - ✔✔irrigate with
copious amounts of of water for 30 min; monitor pH in tears and continue to irrigate until it
normalizes to 6.5-7.5
What are the components of TIMI score? - ✔✔1 point for each of the following:
- ASA use in the last 7 days
- ST changes of at least 0.5mm on EKG
-elevated serum cardiac biomarkers
- age greater than 65
- known CAD (coronary stenosis >/= 50%)
- at least 2 angina episodes within the last 24 hours
, -3+ risk factors for CAD: HTN, DM, current cigarette smoker, family history of premature CAD
(CAD in 1st degree relative Male < 55, Female < 65)
What are the SIRS criteria? - ✔✔-need 2 or more
1) Fever > 38C (100.4) or hypothermia <36C (96.8)
2) Tachypnea >20BPM or PaCO2 < 32 mmHg
3) WBC >12,000 or < 4,000 or >10% bands
4) Tachycardia > 90 BPM
"Sweating Inflammation Rapid Signs"
What are the criteria for sepsis? Severe Sepsis? Septic Shock? - ✔✔Sepsis: SIRS + source or
suspected source
Severe Sepsis: Sepsis + organ dysfunction
-sepsis induced hypotension
-lactate above upper limits of normal
-UO <0.5 for > 2 hrs despite adequate fluid resuscitation
-acute lung injury with PaO2/FIO2 < 250 without pneumonia, <200 with pneumonia
-Cr > 2
-Bili > 4
-PLt < 100,000
-Signs of coagulopathy INR > 1.5
Septic Shock: sepsis-induced hypotension persisting despite adequate fluid resuscitation.
Tetanus prone wounds - ✔✔For tetanus prone wounds present < 6 hours, non linear, and >
1cm deep, showing signs of infection/ contamination/ devitalized tissue then:
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