Emergency Medicine/Toxicology Flashcards Preview

USMLE Step 3 > Emergency Medicine/Toxicology > Flashcards

Flashcards in Emergency Medicine/Toxicology Deck (23):
1

antidote for acetaminophen

N-acetyl cysteine (NAC)

2

antidote for aspirin

bicarbonate to alkalinize the urine

3

antidote for benzodiazepines

NOTHING; let the patient sleep!

do NOT give flumazenil; may precipitate seizure

4

antidote for carbon monoxide (CO)

100% O2; hyperbaric if needed

5

antidote for digoxin

digoxin-binding Abs (Digibind)

6

antidote for ethylene glycol

fomepizole or ethanol

7

antidote for methanol

fomepizole or ethanol

8

antidote for methemoglobinemia

methylene blue

9

antidote for neuroleptic malignant syndrome (NMS)

bromocriptine or dantrolene

10

antidote for opiates

naloxone

11

antidote for organophosphates

atropine or pralidoxime

12

antidote for tricyclic antidepressants (TCAs)

bicarbonate to protect the heart

13

how much time do you have to give N-acetyl cysteine (NAC) in acetaminophen toxicity?

24 hours

14

what happens in aspirin/salicylate overdose?

1. respiratory alkalosis (hyperventilation)
2. metabolic acidosis (d/t loss of Krebs cycle in mitochondria)

15

what should you order on all overdose patients?

aspirin, acetaminophen, and EtOH levels

16

_____ may lead to digoxin toxicity, but digoxin toxicity may lead to _____

- hypOkalemia
- hypERkalemia

17

cyanosis with normal pO2 THINK OF

methemoglobinemia

18

hypothermia EKG finding

J-waves of Osborn

19

- red eye and fixed midpoint pupil
- rock-hard
- painful

acute angle closure glaucoma

20

sudden loss of vision like "a curtain coming down"

retinal detachment

21

- B/L watery d/c
- itchy eyes

viral conjunctivitis

22

- U/L purulent d/c
- eyelids stuck together

bacterial conjunctivitis

23

- h/o trauma
- most commonly from contact lenses

abrasion