Emergency Flashcards
1
Q
Causes of pinpoint pupils
A
Narcotic/organophosphate poisoning
Metabolic conditions
2
Q
Causes of small but reactive pupils
A
Metabolic disorder
Medullary lesion
3
Q
Cause of fixed mid-size pupils
A
Midbrain lesion
4
Q
Causes of fixed, dilated pupils
A
Hypothermia Hypoxia During a seizure or afterwards Anticholinergics Late sign in barbiturate ingestion
5
Q
Causes of only one pupil being dilated
A
Epilepsy
3rd cranial nerve palsy
Tentorial herniation
Intracranial disorder
6
Q
Features of salicylate poisoning
A
Vomiting Hyperthermia Tinnitus Abnormal breathing Slurred speech Hyperactivity Vertigo Hallucinations Hypoglycaemia Platelet dysfunction Renal failure
7
Q
Blood gas abnormality in salicylate poisoning
A
Respiratory alkalosis initially; then metabolic acidosis with increased anion gap
