Toxicology And Antidotes Emergency Medicine Usmle Step 3 **

Front 1

Acetaminophen

Back 1

N-acetylcysteine

Front 2

Anticholinesterases

Organophosphates

Back 2

Atropine & Pralidoxime

Front 3

Antimuscarinics (Atropine) , Anticholinergics

Back 3

Physostigmine (crosses Blood Brain Barrier)

Front 4

A) Arsenic
B) Mercury
C) Lead

Back 4

British anti-Lewisite (BAL): dimercaprol +2,3 dimercaptosuccinic acid

Calcium disodium edetate (EDTA)

Front 5

Nitrites

Methemoglobinemia

Back 5

Methylene Blue

Front 6

Benzodiazepine

Back 6

Flumazenil

Front 7

Beta blockers

Back 7

Glucagon

Front 8

Carbon monoxide

Back 8

O2

Front 9

Cyanide

Back 9

Amyl nitrite pearls, sodium nitrite, sodium thiosulfate, Hydroxocobalamin

Front 10

Digoxin

Back 10

Digitalis Fab fragments

Front 11

Ethylene Glycol

Methanol

Back 11

Fomepizole; Alternatively ethanol drip; Dialysis;
Calcium Gluconate for Ethylene glycol

Front 12

Heparin

Back 12

Protamine sulfate

Front 13

Iron

Back 13

Deferoxamine

Front 14

INH

Back 14

Pyridoxine (B6)

Front 15

Lead

Back 15

Pencillamine and succimer for low levels
Calcium Disodium edetate (EDTA) and Dimercaprol
(British anti-Lewisite) for high levels

Front 16

Opioids

Back 16

Naloxone

Front 17

Phenothiazines

Back 17

Diphenhydramine, Benztropine

Front 18

Salicylates

Back 18

Sodium bicarbonate(NaHCO3), Dialysis

Acute Tx: Resuscitation, Gastric decontamination with activated charcoal. Repeated Doses.
Stomach pumping no longer routine tx.
Consider if ingested potential lethal amount <1hr prior presentation.

Contraindicated: Inducing vomiting with ipecac.

Front 19

Tricyclic antidepressant

Back 19

NaHCO3 (Qrs prolongation)

Benzodiazepine (Seizures)

Front 20

Warfarin

Back 20

Vitamin K, FFP

Front 21

TPA, Streptokinase

Back 21

Aminocaproic Acid

Front 22

Aluminum

Back 22

Deferoxamine