Myocardial Infarction (Heart Attack) NUR235.pptx - Myocardial Infarction(Heart Attack Nyarah Thompson NUR 235 o Every 40 seconds someone in the United

Myocardial Infarction (Heart Attack) NUR235.pptx -...

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Myocardial Infarction (Heart Attack) Nyarah Thompson NUR 235
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Incidence/ Risk Factors o Every 40 seconds, someone in the United States has a heart attack. o Every year, about 790,000 Americans have a heart attack. Of these cases o 580,000 are a first heart attack. o 210,000 happen to people who have already had a first heart attack.1 o One of 5 heart attacks is silent—the damage is done, but the person is not aware of it (Benjamin EJ, Blaha MJ, Chiuve SE, Cushman M, Das SR, Deo R, et al, 2017). Age Smoking Hypertension (high BP) Hyperlipidemia (High cholesterol) Obesity Diabetes
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Pathophysiol ogy The heart requires its own constant supply of oxygen and nutrients. The heart has three coronary arteries, two of them large, branching arteries that deliver oxygenated blood to the heart muscle. If one of these arteries or branches becomes blocked, a portion of the heart is starved of oxygen, a condition called "cardiac ischemia." If cardiac ischemia lasts too long, the starved heart tissue dies. This is a heart attack, otherwise known as a myocardial infarction; literally, "death of heart muscle ."
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Prevention Encourage lifestyle modification for preventing recurrent MIs. It includes smoking cessation, physical activity, diet, weight management, and management of diabetes, lipids, and blood pressure. Smoking cessation -smoking reduces the amount of oxygen delivered to the heart, increases blood pressure and heart rate, and damages blood vessels. Patients should know that smoke increases their risk for another MI by as much as 25% to 30% Diet - DASH diet (A diet low in fat, salt, and red meat but high
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  • Summer '19
  • Cardiology, Atherosclerosis,  Encourage lifestyle modification

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