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
Tetanus prone wounds - ✔✔For tetanus prone wounds present < 6 hours, non linear, and >
1cm deep, showing signs of infection/ contamination/ devitalized tissue then:
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Examsplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.