Toxicology

Question 1

Bradycardia, reduced RR, miosis (pinpoint pupils), drowsiness

Answer 1

Opioid toxicity (morphine, heroin, methadone, codeine), Tx: IV naloxone

Question 2

Liver failure - high ALT, AST, PT, bilirubin

Answer 2

Paracetamol (acetaminophen). Tx: N acetyl cysteine if above treatment line or staggered

Question 3

Respiratory alkalosis/hyperventilating, tinnitus, nausea vomiting, seizures, hyperthermia, coma

Answer 3

Aspirin (salicylate). Tx: activated charcoal

Question 4

Abdo pain, GI bleeding, renal failure, metabolic acidosis

Answer 4

NSAIDs (ibuprofen)

Question 5

Tricyclic antidepressants (amitriptyline)

Answer 5

Anti cholinergic effects - tachycardia, dry mouth, urine retention, hyperthermia, hypotension, seizure, delirium, arrhythmia

Question 6

Neurological signs - ataxia, nystagmus, mydrasis, movement disorder, hyponatraemia

Answer 6

Carbamezapine