Cardiovascular Health
By: Theo Jesberger
What is the Cardiovascular System?
● Consists of the heart, blood
vessels, and the transfer of blood
throughout the body.
● When the lungs are incorporated it
is called the cardiopulmonary
system.
● Relates to the health of other
organs that depend on a strong
blood supply.
Functions of the Cardiovascular System
Closed system
Carries out complex tasks
Protects body from infections, toxins,
and blood loss
Helps regulate body temperature, fluid
balance, and PH levels
Heart
❖ Hardest working muscle
❖ Only muscle that never stops contracting
❖ An average of 2.5 billion beats in a lifetime
❖ 5-6 liters of blood pumped per minute
❖ Can pump upwards of 30 LPM during extreme
stress or exercise
Anatomy of the Heart
❖ Consists of 4 chambers
❖ Divided into left and right sides
➢ Right side- Pulmonary
➢ Left side- Systemic
❖ Two main vessels
➢ Aorta- Large artery that distributes
blood to the body
➢ Vena Cava- 2 large veins in which
blood is returned to the heart
Cardiovascular Disease
❖ Collective term for various diseases of the
heart and blood vessels
➢ Atherosclerosis- Narrowing of arteries
➢ Hypertension- High blood pressure
■ Normal: 120/80
■ Prehypertension: 120-139/80-89
■ Hypertension: 140-159/90-99
■ Stage 2: 160+/100+
❖ Leading cause of death in America
❖ Directly correlated to obesity
Prevention
❖ Eat heart healthy
❖ Regular exercise
❖ Avoid tobacco
❖ Avoid excessive alcohol
❖ Regular doctor visits
Risk Factors
❖ Tobacco use
❖ High blood pressure
❖ High cholesterol
❖ Physically inactive
❖ Diets high in fat
❖ Obesity
❖ Diabetes
Statistics
★ 47% of adults over 18 have some form of CVD
○ Men have a greater risk than women
★ 33% of Americans have high blood pressure
○ 20% are unaware
★ 65% of people with diabetes die from CVD
★ 795,000 Americans suffer from strokes each year
★ Average age of first heart attack is 66 for men 70
for women