Cardiovascular Disease & Diabetes Flashcards
Veins vs Arteries?
Arteries carry oxygen rich blood away from heart to body
Veins carry low oxygen blood back to the heart for re oxygenation
Two types of major heart disease
Atherosclerosis (reversible, build up of fatty deposits)
Arteriosclerosis (irreversible, build up of calcium)
Four steps of atherosclerosis
- Lesion in the artery wall
- Plaque builds up in the lesion
- Macrophages try to help, but instead explode and forms foam cells = worse
- Smooth muscle migrates to cover it up
Heart attack symptoms (6)
Chest discomfort Discomfort in other areas of body (neck, jaw, shoulder, arms, back) Shortness of breath Sweating Nausea Light-headedness
2 types of stroke (which is more common?)
Ischemic: Blockage disrupts blow flow to brain
Hemorrhagic: Blood vessel in the brain ruptures
80% of stroke are ischemic
Symptoms of stroke (FAST)
Face dropping?
Arms can you raise both?
Speech slurred?
Time to call 9-1-1
LDL VS HDL
High blood cholesterol is risk factor of CVD
Lipoproteins carry cholesterol
Low density lipoprotein: BAD; can move from blood to vessel walls, increases CVD risk
High density lipoprotein: GOOD; promotes re-absorption of cholesterol and lowers CVD risk
Hypertension
Blood pressure in the artery is consistently elevated, straining the heart and blood vessels.
Can cause lesions, promoting atherosclerosis
Treatment of CVD
Coronary artery bypass: Replacing blocked/narrow arteries with healthy segments of other vessels
Angioplasty: Widening an artery by using a balloon
What is diabetes? Type 1? Type 2?
Body doesn’t produce or respond properly to insulin
Diabetes treatment
No cure; must keep blood sugar levels stable
Type 1: Insulin injection
Type 2: Lifestyle modification. Lose weight, improve diet, etc.
Diabetes risk factors
Obesity Ethnicity Physical inactivity Family history Case of gestational diabetes (pregnancy)
CVD risk factors (controllable, uncontrollable)
Uncontrollable: Age, Sex, Heredity, Ethnicity
Controllable: Smoking, lack of exercise, unhealthy eating, high cholesterol, hypertension, high sodium intake, stress, diabetes, obesity