Third-degree ... to complete heart block, but occasional P waves do conduct through the AV node to produce a QRS complex. Complete heart block is usually symptomatic from the slow ventricular ...
Atrioventricular (AV) dissociation occurs in complete heart block (third-degree ... in one ECG with a QRS complex rate of < 100. Idioventricular rhythms meet criteria for ventricular tachycardia ...
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