Ectopic Beats
A 24 hour Holter (ambulatory) monitor (for inpatient or outpatient use) tallies the abnormal events occurring in a 24 hour period.
Here is a Holter monitor record of an 82 year old woman who was experiencing syncope. The cardiologist sent her home wearing a Holter monitor telemetry unit.
Read through the finding and summary of the events of Ventricular Entropy (VE = a more precise word for a PVC).