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Heart Attack

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Human Biology

on 1 April 2013

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Transcript of Heart Attack

Structure and Function of a Heart Introduction Weighs less than a pound

Size of an adults fist What is a Heart Attack? What causes a heart attack? How can you prevent a heart attack? -Not smoking
-Controlling high blood pressure, high cholesterol, and diabetes
-Stay active
-Following a healthy diet
-Maintaining a healthy weight for your body type
-Reducing and managing stress Ellie, Keri, Erica, Monica, Sarah Heart Attacks Structure and function
Symptoms and Complications
Causes
Prevention Sudden blockage of a coronary artery
Keeps blood and oxygen from getting to the heart
Plague breaks open
Blood then clots and blocks blood flow
Body releases adrenaline
Heavy physical exercise
Emotional stress
Lack of sleep
Overeating Common Symptoms of a Heart Attack 1) Chest pain and/or pressure
2) Jaw, back, and neck pain or discomfort
3) Arm and shoulder pain or numbness
4) Shortness of breath
5) Dizziness or becoming lightheaded
6) Sweating
7) Nausea or vomiting
8) Weakness, fatigue or malaise
9) Palpitations
10) Gray facial color References John J. McNeil, et al. "Knowledge Of Heart Attack Symptoms In A Community Survey Of Victoria." Emergency Medicine 14.3 (2002): 255. Health Source: Nursing/Academic Edition. Web. 21 Mar. 2013.
"Heart Attack Animation." Health News RSS. Med India, n.d. Web. 21 Mar. 2013.
What Is a Heart Attack. N.d. Photograph. Heart Attack : Irish Heart Foundation. Web. 21 Mar. 2013.
Critical Pathways in Cardiology: A Journal of Evidence-Based Medicine: December 2006 - Volume 5 - Issue 4 - pp 187-190
John Weinman, et al. "The Structure Of Beliefs About The Causes Of Heart Attacks: A Network Analysis." British Journal Of Health Psychology 7.4 (2002): 463. Academic Search Complete. Web. 20 Mar. 2013.
Healthwise. "Heart Attack and Unstable Angina - Cause." WebMD. N.p., 26 Apr. 2011. Web. 20 Mar. 2013.
Praveen kumar. Animation How a Heart Attack Happens2. YouTube. N.p., 22 Mar. 2009. Web. 20 Mar. 2013.
Merriam-Webster. Merriam-Webster, n.d. Web. 31 Mar. 2013.
"Heart Attack." Heart Attack. N.p., n.d. Web. 31 Mar. 2013. Located in the thoracic cavity, behind the breast bone and between the lungs The heart is double pumped and is synchronized very carefully 4 chambers
2 upper (atria)
2 lower (ventricles) Doesn’t allow oxygenated and de-oxygenated blood to mix Endocardium- lines the interior of the heart and heart valves…Made of endothelial cells

Myocardium- Middle, thickest layer, muscular layer of the heart wall

Pericardium- a fibrous and membranous sac- surrounds the heart Heart Attacks A heart attack is NOT the same as cardiac arrest Cardiac arrest is when the heart stops beating usually due to ventricular fibrillation A heart attack is an acute episode of heart disease characterized by the death of heart muscle due to a lack of blood Diagnosis Testing
EKG (Electrocardiogram)
Blood Tests
Radionuclide Imaging
Echocardiogram Although, a heart attack could lead to cardiac arrest What to do during a heart attack Chew aspirin (blood clot inhibitor)

Call 911 or let someone else drive you to the hospital

If experiencing arrhythmia, cough In conclusion...
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