APPH 1040 Lecture Notes - Lecture 4: Transient Ischemic Attack, Coronary Circulation, Stroke
23 Sep 2017
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Hypertension/ high blood pressure (hpb: symptomless disease, sustained elevated blood pressure, for average person, 120/ 80 is healthy blood pressure level, through these numbers depend on weight, age, physical condition. If untreated, it damages blood vessels leading to other types of cvd: leading risk factor for stroke. Coronary heart disease: disease where plaque continues building up in the coronary artery, heart attacks/ myocardial infarction, 1. Coronary thrombosis- caused by blood clot in coronary artery: 2. Embolus- occurs when blood clot is dislodged and moves: 3. Atherosclerotic narrowing: symptoms are more subtle for women, heart failure- heart not pumping way it should, arrhythmias- irregular heartbeat, collateral circulation- alternative path for blood to flow; adaptation to small blockages. Stroke: stroke- when blood supply to brain is interrupted. Modifiable risk factors: diet, exercise, smoking, stress, weight, good blood cholesterol, blood pressure, blood sugar levels.
