Thursday, August 22, 2013

Tonic Water

Challenge: What antiarrhythmic causes this arrhythmia? Side effects include nausea, diarrhea, abdominal pain, tinnitus, hearing loss, confusion, delirium, vision changes, and psychosis.

2 comments:

sibogox said...

is the EKG showing mobitz type II abnormality? is it lidocaine then?

Craig Chen said...

not the greatest EKG. lido is a good guess, but i was going for quinidine
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Tonic Water

This is quinidine effect; the ECG shows sinus rhythm with an intraventricular conduction delay (QRS 0.12 seconds) and a mildly prolonged QT-(U) interval.

Sources: ECG Wave Maven; UpToDate.