HSC 106QR Lecture Notes - Lecture 1: Cardiovascular Disease, Hypertension, Radiation-Induced Cancer
Document Summary
Systole the period of the heart"s contraction. Diastole- the period of the heart"s relaxation. Risk factors for cardiovascular disease: major risk factors that can be changed, tobacco use, high blood pressure, high cholesterol, physical inactivity, obesity, diabetes. Contributing risk factors that can be changed: psychological and social factors. Major risk factors that can"t be changed: heredity. Cvd has genetic component that leads to increases in cholesterol levels, blood clotting, and obesity. Risk is modifiable by lifestyle factors: aging. Over the age of 65: being male. Men have higher risk earlier in life: ethnicity. African americans have higher risk of hypertension, hear disease, and stroke than other groups. Arteries become narrowed by deposits of fat, cholesterol, and other substances: heart attack. Heart attack symptoms: chest pain or pressure, arm, neck or jaw pain, difficulty breathing, excessive sweating, nausea and vomiting, loss of consciousness, one-third of victims don"t feel chest pain.
