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Circulatory Disorders
Heart Attack <ul><li>A heart attack occurs when </li></ul><ul><li>the blood supply to part of the  </li></ul><ul><li>heart...
Heart Attack <ul><li>If the blood supply is cut </li></ul><ul><li>off for more than a few  </li></ul><ul><li>minutes, musc...
Heart Attack <ul><li>Electrocardiograph </li></ul><ul><li>-graphical record that </li></ul><ul><li>will show if the heart ...
Cardiac Catherization <ul><li>A narrow tube (catheter)  </li></ul><ul><li>is threads into an artery </li></ul><ul><li>in t...
Angioplasty <ul><li>When the catheter is in </li></ul><ul><li>place, a second thinner </li></ul><ul><li>catheter with a ve...
<ul><li>When the balloon is </li></ul><ul><li>pushed through the  </li></ul><ul><li>blockage, it is inflated,  </li></ul><...
Stent <ul><li>A fine metallic mesh </li></ul><ul><li>tube that remains in </li></ul><ul><li>place in the artery and </li><...
Alternative treatment Bypass Surgery <ul><li>If angioplasty is not </li></ul><ul><li>effective, coronary </li></ul><ul><li...
Bypass Surgery
Causes of Heart Disease <ul><li>Smoking </li></ul><ul><li>Physical inactivity </li></ul><ul><li>High blood cholesterol </l...
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06 circulatory disorders

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  • Transcript of "06 circulatory disorders"

    1. 1. Circulatory Disorders
    2. 2. Heart Attack <ul><li>A heart attack occurs when </li></ul><ul><li>the blood supply to part of the </li></ul><ul><li>heart muscle  is severely reduced </li></ul><ul><li>or stopped. The reduction </li></ul><ul><li>happens when one or more of the </li></ul><ul><li>coronary arteries supplying blood </li></ul><ul><li>to the heart muscle is blocked. </li></ul><ul><li>This is usually caused by the </li></ul><ul><li>buildup of plaque (deposits of fat- </li></ul><ul><li>like substances), a process called </li></ul><ul><li>atherosclerosis. </li></ul>
    3. 3. Heart Attack <ul><li>If the blood supply is cut </li></ul><ul><li>off for more than a few </li></ul><ul><li>minutes, muscle cells </li></ul><ul><li>suffer permanent injury </li></ul><ul><li>and die. This can kill or </li></ul><ul><li>disable someone, </li></ul><ul><li>depending on how </li></ul><ul><li>much heart muscle is </li></ul><ul><li>damaged. </li></ul>
    4. 4. Heart Attack <ul><li>Electrocardiograph </li></ul><ul><li>-graphical record that </li></ul><ul><li>will show if the heart </li></ul><ul><li>rate and rhythm are </li></ul><ul><li>normal or if heart </li></ul><ul><li>damage has occurred. </li></ul>
    5. 5. Cardiac Catherization <ul><li>A narrow tube (catheter) </li></ul><ul><li>is threads into an artery </li></ul><ul><li>in the groin area. The </li></ul><ul><li>catheter is threaded through </li></ul><ul><li>the artery to the blocked </li></ul><ul><li>area in the coronary artery. </li></ul><ul><li>This procedure can be used </li></ul><ul><li>to pinpoint the exact </li></ul><ul><li>location of the blockage. </li></ul>
    6. 6. Angioplasty <ul><li>When the catheter is in </li></ul><ul><li>place, a second thinner </li></ul><ul><li>catheter with a very </li></ul><ul><li>small deflated balloon at </li></ul><ul><li>the tip is threaded </li></ul><ul><li>through the first </li></ul><ul><li>catheter. </li></ul>
    7. 7. <ul><li>When the balloon is </li></ul><ul><li>pushed through the </li></ul><ul><li>blockage, it is inflated, </li></ul><ul><li>opening the passage to </li></ul><ul><li>allow blood flow. The </li></ul><ul><li>balloon is then deflated </li></ul><ul><li>and removed. </li></ul>
    8. 8. Stent <ul><li>A fine metallic mesh </li></ul><ul><li>tube that remains in </li></ul><ul><li>place in the artery and </li></ul><ul><li>prevents the artery from </li></ul><ul><li>narrowing again. </li></ul>
    9. 9. Alternative treatment Bypass Surgery <ul><li>If angioplasty is not </li></ul><ul><li>effective, coronary </li></ul><ul><li>bypass surgery is the </li></ul><ul><li>most common </li></ul><ul><li>treatment. </li></ul><ul><li>Surgeons use a piece of </li></ul><ul><li>vein from your body </li></ul><ul><li>(usually the leg) to bypass </li></ul><ul><li>the blocked area of the </li></ul><ul><li>coronary artery. </li></ul>
    10. 10. Bypass Surgery
    11. 11. Causes of Heart Disease <ul><li>Smoking </li></ul><ul><li>Physical inactivity </li></ul><ul><li>High blood cholesterol </li></ul><ul><li>High blood pressure </li></ul><ul><li>Obesity </li></ul><ul><li>Poor eating habits </li></ul><ul><li>Diabetes </li></ul><ul><li>Heredity </li></ul>

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