Which of the Following Best Describes an Idioventricular Rhythm

Multiple Choice

Which of the following best describes an idioventricular rhythm?

A) Rapid,chaotic rhythm with no pattern or regularity
B) Gradual alteration in the amplitude and direction of the QRS; atrial rate indiscernible; ventricular rate 150 to 250 beats/min
C) Essentially regular ventricular rhythm with QRS complexes measuring 0.12 seconds or greater; atrial rate not discernible; ventricular rate 20 to 40 beats/min
D) Regular ventricular rhythm with QRS complexes measuring less than 0.10 seconds; P waves may occur before,during,or after the QRS; ventricular rate 40 to 60 beats/min