When a sinus rhythm has a QRS complex of 0.12 sec.or greater, you know that this is an abnormality and would note that it has:
A)sinus conduction defect.
B)Purkinje disease.
C)accelerated ventricular conduction.
D)a wide QRS.

Question

Quizplus · Accepted Answer

A QRS complex of 0.12 sec. or greater indicates that it is wider than normal and may be indicative of a bundle branch block or other type of intraventricular conduction delay. Therefore, the best choice is D) a wide QRS.

When a Sinus Rhythm Has a QRS Complex of 0