C	FDA	C54450	Patient Problem Codes FDA CDRH	C50599	1923	IDIOVENTRICULAR RHYTHM	RHYTHM, IDIOVENTRICULAR	Relating to or affecting the cardiac ventricles alone.	An electrocardiographic finding of a cardiac rhythm originating in the ventricles. The heart rate is usually regular and ranging between 30-40 beats per minute (the intrinsic ventricular rate), but can be higher or lower.	C54027	2688	PATIENT PROBLEM/MEDICAL PROBLEM