A diagnostic and treatment procedure in which a catheter is passed into a vein or artery and then guided into the heart is known as (a)   .

The hardening and narrowing of the arteries caused by a buildup of cholesterol plaque is known as (a)   .

(a)   is damage to the heart muscle caused by a thrombus blocking a coronary artery.

A/An (a)   is a record of the electrical activity of the myocardium.

Chronic (a)   is a condition in which venous circulation is inadequate due to partial vein blockage or leakage of venous valves.

The form of (a)   known as LDL is harmful because it contributes to plaque buildup in the arteries.

The use of electrical shock to restore the heart’s normal rhythm is known as (a)   .