Cardiovascular Disea

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Cardiovascular Disease

Heart

Major risk factors

Blacks and latinos more

CVD killer

Specially men earlier in life

Danger after 65

70%

Set of genes increase CvD

Risk factors

Tobacco

Fatty deposits in arteries

Raises

Triglycerides

Reduces HDL

Damages linings or arteries

increases blood pressure and heart rates

Risk of stroke

2 Times more risk

Diabetes

Elevated blood glucose

Insufficient suply of insulin

Obesity

Physical inactivity

controls diabetes

desirable weight

increases HDL

Decrease blood pressure

Unhealthy cholesterol

Carried in blood lipoproteins

HDL

Good

High density lipoprotein

LDL

below 100 mg/dl

total chol

below 200 mg/dl

Bad

Low density lipoprotein

High blood pressure

30%

Normal pressure

75 Diastolic

115 systolic

spygmomanometer

Measured with stethoscope

heart attacks and strokes

Kidney Failure

Tobacco use

Platelets become sticky and cluster

Clotting

1/5 deaths of CVD

quarts of blood the hurt pumps in a minute

once per minute

5 quarts

150 lb

Capillaries

Exchange oxygen and nutrients

Arteries

Carry blood away from the heart

Veins

Carry blood to the heart

Diastole

Heart relaxation

Systole

Heart contraction

2 Circulatory systems

Oxygenated blood

Systemic circulation

Deoxygenated blood

Right side

Pulmonary circulation

Located beneath ribs, under left breast

Fist-size muscle

4-chambered

Ventricle

Left

Atrium

Right

Left