HLTH-2980 Lecture Notes - Lecture 4: Coronary Artery Disease, Transient Ischemic Attack, Peripheral Artery Disease

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27 Nov 2017
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Plaque builds up in artery that limit blood flow: tachycardia: when the heart is beating too much/too fast, bradycardia: heart beating too slow not enough oxygen, lack of energy, arrhythmia: the heart beats irregularly. Heart muscles overwork and weaken: heart valve disease: 1+ heart (cid:448)al(cid:448)es do(cid:374)"t (cid:449)ork, cardiomyopathy: enlarged/stiff/thick heart, causing heart to pump weaker than normal. Sometimes leading to heart failure or arrhythmia: pericarditis: inflammation of 1+ layers of the pericardium (membrane around heart, aorta disease: portion of the aortic wall weakens and balloons out. Causes an aneurism: vascular disease, ekg waves, p-wave (beginning), qrs complex (peak), t-wave (end ventricular relaxation) St segment: where s wave ends and the t wave begins (horizontal) Pvc: premature ventricular contraction: sa node: pacemaker node for the heart. Men and women sometimes sense heart attacks differently: angina: term for chest pain/discomfort caused by a restricted blood supply to the heart. Ischemic stroke: decreased blood flow due to constriction/obstruction of an artery.

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