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PHCY 502_Class 7_ Cardiovascular System Part 1 - ASCVD Exam Study Guide
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PHCY 502_Class 7_Cardiovascular System Part 1 -
ASCVD Exam Study Guide
Myocardial ischemia - Answer when blood flow to the heart itself is reduced, leaving the
myocardium (heart muscle) without sufficient oxygen
Myocardial infarction - Answer one step further than ischemia, blood flow is completely
cut off, resulting in necrosis
Angina - Answer a condition characterized by chest pain (most commonly) or other
symptoms as a result of decreased blood supply to the heart
Cardiac Stress Test - Answer a diagnostic medical test that is used to assess blood flow
to the heart . The "stress" involves either exercise on a treadmill or a chemical.
Stenosis - Answer meaning narrowing. Can refer to vessels, valves, or other openings in
the body
Coronary vasospasm - Answer spasm of arteries leading to vasoconstriction leading to
tissue ischemia and possible necrosis
Plaque - Answer the combination of cholesterol, fats, and other products that build up in
vessels and may occlude the vessel leading to ischemia/infarction
Electrocardiogram - Answer line graph that shows changes in the heart's electrical
activity
Corneal arcus - Answer a whitish circle around the iris due to lipid (or cholesterol)
infiltration
Macrophage - Answer a type of phagocytic white blood cell that removes foreign bodies
like microorganisms and dead cells
Necrosis - Answer death of living tissue, which can occur because of illness, infection,
injury, disease, or lack of blood flow
Percutaneous coronary intervention - Answer a nonsurgical procedure that involves
running a catheter through an occluded coronary artery to open it and improve blood
flow to the heart
Coronary Stent - Answer a mesh wire tube which is placed in a plaque-occluded
coronary artery to help widen in and improved coronary blood flow
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