SAQ 783 – Toxicology – overdose with benzodiazepine-resistant seizures

Marked out of 18.00

A 30-year-old woman is brought to the ED after a suspected drug overdose. She was found with altered consciousness at home and had a tonic-clonic seizure witnessed by paramedics. Despite 3 x 5 mg IV midazolam, she is still actively seizing more than 40 minutes after she was first found.

List four (4) specific poisons that may cause benzodiazepine-resistant seizures, with one specific antidote for each.

(Marked out of 8.0)

Observation Value
HR 130 bpm
BP 160/100 mmHg
SaO2 95% on 15 L oxygen via non-rebreather mask
Temperature 39.5 C


/ 8

She continues to seize and requires intubation. List four (4) significant complications of prolonged seizures that may develop.

(Marked out of 4.0)


/ 4

After stabilisation and seizure control, complete the table with two (2) toxidromes that could explain this presentation and, for each, two (2) clinical findings that make it more likely.

(Marked out of 6.0)


/ 6

Total Score: 0 / 18

Percentage: 0%