MatchingOnline version Match week 2 medical terms by Ashiyona Wilson 1 Week 2 Terms 2 Definitions Arrhythmia Aneurysm Atherosclerosis Angina Cerebrovascular accident (CVA) Myocardial Infarction (MI) Condition in which there is lack of rhythm of the heartbeat; also called dysrhythmia Sac formed by a local widening of the wall of an artery usually caused by injury or disease. Condition of the arteries characterized by the buildup of fatty substances (cholesterol deposits) and hardening of the walls. Chest Pain Disease of the heart muscle that leads to generalized deterioration of the muscle and its pumping ability. Occurs when an area heart muscle dies or s permanently damaged because if an inadequate supply of oxygen to that area; also known as heart attack.