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Heart Disease - PowerPoint PPT Presentation


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Heart Disease. Circulatory System. The Circulatory System. Average body has about 5 liters (about 1.3 gallons) of blood Circulatory system- Heart , the lungs, and blood vessels Heart pumps blood throughout body The body's circulatory system really has three distinct parts:

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Heart Disease


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    Presentation Transcript
    1. Heart Disease

    2. Circulatory System

    3. The Circulatory System • Average body has about 5 liters (about 1.3 gallons) of blood • Circulatory system- Heart, the lungs, and blood vessels • Heart pumps blood throughout body • The body's circulatory system really has three distinct parts: • Pulmonary circulation- Lungs • Coronary circulation- Heart • Systemic circulation- Rest of system • Each part must be working independently in order for them to all work together

    4. Pulmonary Circulation

    5. Coronary Circulation • Blood supply to the heart • Two major coronary arteries: • Right and Left • Two arteries branch out of the aorta immediately after the aortic valve • Coronary arteries are subject to blockage and narrowing • Causes a depletion of blood to certain parts of the heart  possibly causing a heart attack*

    6. Systemic Circulation Supplies nourishment to all of the tissue located throughout your body Except the heart and lungs (have their own systems) O2 rich blood enters the body through the Aorta

    7. Heart Blood Flow • Draw the blood flow on handout

    8. Overview of Heart Disease • Leading cause of death for both men AND women • In 2010 approx 640,000 people died • Coronary heart disease- most common type • Every year 790,000 Americans have 1st heart attack • 480,000 will have a reoccurring heart attack

    9. Overview (cont.) • 2010 -> $316.4 billion spent on health care for heart disease • Death Rates: • Highest in Mississippi • Lowest in Minnesota Why do you think that these states have the highest and lowest death rate? (brainstorm several ideas with the person sitting next to you)

    10. Heart Failure A weakening pump • Develops gradually over years • Heart cannot pump enough blood and oxygen to support organs • Heart does NOT stop beating (i.e. cardiac arrest) • 1 in 5 people with heart failure will die within a year • 5.8 million people have heart failure in US • 670,000 are diagnosed a year • Contributing factor in 282,754 deaths (2010)

    11. Heart Failure • Symptoms • Fatigue • Dizziness • Shortness of breath during daily activities • Weight gain (swelling in legs/ankles/lower back) • Causes • High blood pressure • Diabetes • Coronary artery disease

    12. Heart Attack • Blood supply to heart is cut off • Cells in heart muscle are not provided with enough oxygen carrying blood • Cells die as a result • 700,000 Americans have initial heart attack and 500,000 have reoccurring heart attack • ½ of people who have heart attack will die • Most deaths occur before EMS and hospital treatment is available

    13. Heart Attack • Every 34 seconds some in the US has a heart attack • Every minute someone in the US dies from a heart disease related event

    14. Risk Factors • Behaviors and conditions that cause heart attack • Multiple risk factors increase your chances of having heart attack • 2 types: Controllable and Uncontrollable

    15. Uncontrollable Risk Factors • Racial and ethnic background • Increased risk: • African Americans (High blood pressure) • African Americans, Mexican Americans, Native Americans, Native Hawaiians, and some Asian Americans (higher rates of obesity and diabetes) • Age • Older adults more likely to die of heart disease • 80% of heart disease occur in people over 65

    16. Uncontrollable Risk Factors • Genetics • Factors: High Cholesterol, high blood pressure, heart disease and other vascular diseases • Gender • Males: heart attacks occur earlier • Higher levels of testosterone increased fat in stomach area • Females: increased risk after menopause(5x) • ‘silent killer’

    17. Heart Disease in Women • http://app.discoveryeducation.com/core:player/view/assetGuid/BADC92E2-EFA0-4FCC-A486-DD0822673E47