What Is the Test Function of Holter EKG Monitoring

Multiple Choice

What is the test function of Holter EKG monitoring?

A) Monitors blood glucose level throughout the day
B) Radioactive dye is injected to show abnormalities in the EKG
C) Measures the vasodilation of the major vessels of the heart and shows them on the EKG
D) Tracks abnormalities on EKG as they occur throughout the day