PT 640 Acute Coronary Syndrome

What is the order of acute coronary syndrome pathologies in order of severity? - ANSWER-USA -- NSTEMI (non-ST elevation myocardial infarction) -- STEMI (ST elevation myocardial infarction) -- SCD (sudden cardiac death) What is the hallmark sign for ischemic chest pain? - ANSWER-myocardium demand blood supply What parts of the heart are supplied by the right coronary artery? - ANSWER-right ventricle, SA node, AV node, inferior and posterior walls of left ventricle What parts of the heart are supplied by the left anterior descending artery? - ANSWER-anterior and medial (interventricular septum) aspects of left ventricle What parts of the heart are supplied by the circumflex artery? - ANSWER-lateral wall of left ventricle What is the number 1 risk factor for atherosclerosis? - ANSWER-diabetes How are fatty streaks formed in atherosclerosis? - ANSWER-dysfunction of the endothelial layer enables permeation of fat and WBCs What are foam cells? - ANSWER-fat cells that have become oxidized after crossing under endothelium What are all the cells that may contribute to the formation of fatty streaks by crossing under the endothelium? - ANSWER-T-cells, macrophages, foams cells, cholesterol What are the components of an ather