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CV System Diseases. 1. Atherosclerosis. Inner lining of arteries become lined with plaque Plaque – buildup of fatty substances Think of water pipes freezing…Water is not able to get to where it needs to go!. Lets see what this looks like!. Atherosclerosis.

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1 atherosclerosis
1. Atherosclerosis

  • Inner lining of arteries become lined with plaque

  • Plaque – buildup of fatty substances

  • Think of water pipes freezing…Water is not able to get to where it needs to go!




How does this occur
How does this occur?

  • Poor Diet

  • Sedentary Lifestyle!


2 coronary artery disease heart disease
2. Coronary Artery Disease (Heart Disease)

  • Greatest killer of all CV diseases! Leads to heart attack!

  • How a heart attack happens:

    • 1. In order to function, the heart has to have oxygen, thus it needs blood!

    • 2. Blood (and O2) are delivered to the heart via coronary arteries

    • 3. When these arteries become clogged, O2 cannot reach the heart and a heart attack may occur!


Coronary heart disease
Coronary Heart Disease…

  • Think of it like this…

  • Coronary arteries are like the power cords to the heart. When the power is interrupted, the heart does not function properly


Signs of a heart attack
Signs of a Heart Attack

  • Chest discomfort

  • Discomfort in other areas of the upper body

  • Shortness of breath

  • Other signs may include breaking out in a cold sweat, nausea or lightheadedness.


  • CHD

  • http://www.youtube.com/watch?v=mAqI-P6ig9Q


3 congestive heart failure
3. Congestive Heart Failure

  • Your heart is a big muscle (cardiac muscle)

  • CHF occurs when your muscle becomes overworked, and lacks strength


Congestive heart failure
Congestive Heart Failure

  • Heart is not strong enough to pump blood to the rest of the body.

  • Blood pools and causes body/heart tissues to swell! This causes the congestion!


  • Think of it like this…

  • A sump pump! If that pump doesn’t get the water out from your basement, it will pool, creating a mess!



4 stroke
4. Stroke

  • Your brain needs O2 also!!!

  • Stroke occurs when blood flow is interrupted to the brain (clot in blood vessel)

  • When O2 does not reach the brain, brain cells die


Strokes
Strokes

  • Mild strokes may cause dizziness, weakness, or numbness.

  • However serious strokes causes speech impairments, memory problems, and loss of motor control.


Stroke
Stroke

  • stroke


Problems
PROBLEMS

  • 5. VERICOSE VEINS - Swollen and enlarged veins caused by weak valves


Problems1
Problems

6.

Anemia: decrease in number of red blood cells (RBCs) or less than the normal quantity of hemoglobin in the blood.

7. Hemophilia- blood does not clot


So how do we avoid all these diseases
So… How do we avoid all these diseases!?

  • Avoid Tobacco!

  • Cut back on Saturated Fats and Cholesterol!

  • Maintain Healthy Weight!

  • Exercise Regularly!***

  • Manage Stress!

  • Aren’t you glad you have Health and PE!?!?!?!?



How can exercise help the heart
How can exercise help the heart?

  • Exercise makes the heart more efficient!

  • Exercise increases stroke volume – the amount of blood your heart pumps per contraction

  • Exercises decreases resting heart rate – amount of times your heart beats per minute while resting.

  • Exercise makes your heart’s life easier!!!


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