A 25 year old man is brought in by EMS. A suicide note and an empty unlabeled bottle are found next to him. The patient is minimally arousable, hyperthermic, and flushed. Pupils are dilated. Minimal bowel sounds are heard. A Foley catheter is placed and 400cc urine comes out. Fingerstick glucose, acetaminophen, and salicylate levels are fine. Here's an EKG:
You recognize what's going on and push sodium bicarbonate. The EKG changes before your eyes to:
Challenge: What happened?You recognize what's going on and push sodium bicarbonate. The EKG changes before your eyes to:
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3 comments:
tricyclic poisoning
TCA overdose !!
Nicely done :)
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Suicidal Ideation
This is tricyclic antidepressant (TCA) overdose; the first EKG shows a prolonged QRS with delayed right ventricular activation and intraventricular conduction delay, manifesting as a deep slurred S in I and aVL and an R in aVR. The treatment is sodium bicarbonate.
Sources: UpToDate.
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