Question

1. identify the portable device worn to record electrocardiograph readings. echocardiogram stress test electrocardiogram holter monitor

Explanation:

An echocardiogram uses sound - waves to create heart images. A stress test assesses heart function during physical activity. An electrocardiogram is a general term for a heart - electrical activity recording, but not specifically a portable device for long - term recording. A Holter monitor is a portable device worn to record electrocardiograph readings over an extended period.

Answer:

D. Holter monitor