Question

an electrocardiogram is a test that doctors use to assess cardiovascular health. the image below shows data given by an electrocardiogram. what type of data is recorded by the electrocardiogram? a. the force from the heart beating b. the electrical activity of the heart c. the amount of oxygen in the blood d. the speed of the heart beating

Explanation:

An electrocardiogram (ECG/EKG) is a diagnostic test that measures and records the electrical signals generated by the heart's contractions. It does not measure force of heartbeats, blood oxygen levels, or heart sounds.

Answer:

B. the electrical activity of the heart