An accelerated idioventricular rhythm is characterized by all of the following, except:. A) QRS complexes greater than 0.12 seconds in duration.
B) irregular R-R intervals and a rate less than 40 beats/min.
C) wide QRS complexes with P waves buried in the T waves.
D) regular R-R intervals and a rate between 40 and 100 beats/min.

B) irregular R-R intervals and a rate less than 40 beats/min.

Explanation:

Accelerated idioventricular rhythm is simply defined as a ventricular rhythm that has a rate which is between 40 to 120 beats in every minute.

It should be noted that idioventricular had to do with things relating to cardiac ventricle.

An accelerated idioventricular rhythm is characterized by:

• QRS complexes greater than 0.12 seconds in duration.

• wide QRS complexes with P waves buried in the T waves.

• regular R-R intervals and a rate between 40 and 100 beats/min.

Therefore, the correct option is B.

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