Published in:
Open Access
01-05-2017 | Rhythm Puzzle - Answer
Broad complex rhythm with a salty taste
Authors:
M. Boulaksil, C. L. Meuwese, R. Evertz, M. G. M. Kolff-Kamphuis
Published in:
Netherlands Heart Journal
|
Issue 5/2017
Login to get access
Excerpt
The ECG (Fig. 1 in the question) shows an extremely broad QRS complex rhythm (QRS duration of 220 ms) with a heart rate of 95 beats/min and a left axis deviation. The differential diagnosis of a broad QRS complex rhythm (without tachycardia) is extensive, including bundle branch block (either rate dependent or fixed), hyperkalaemia, pre-excitation, ventricular pacing, (accelerated) idioventricular rhythm, or hypothermia, but also intoxication with a sodium-channel blocking agent (e. g. tricyclic antidepressants or class I antiarrhythmic drugs (Vaughan-Williams classification)). …