Acute Myocardial Infarction (AMI), Etiology, Pathophysiology, Causes And Acute Myocardial Infarction Definition

Acute Myocardial Infarction Definition

Acute myocardial infarction is a result of necrosis and myocardial blood flow to the heart muscle is interrupted.

acute myocardial infraction

Etiology of Acute Myocardial Infarction (AMI)

it is generally based on the presence of acute myocardial infarction atherosclerotic coronary vascular necrosis acute infarction are almost always occur due to blockage of the artery total coronary by thrombus formed at unstable atherosclerosis plaque also often follow ruptured plaque in the coronary artery with stenosis (50-60%).

myocardial damage occurs from endocardial, into a complete and 3-4 in such an hour. in morphological acute myocardial infarction can occur in transmittal or subendocardial. acute myocardial infarction transmural infarction and walls all over the about to happen : on the inside walls of the ventricle.

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Pathophysiology of Acute Myocardial Infarction

arrhythmia is a disease acute myocardial infarction are most often and occur mainly in the minutes or hours after the first attack. this is due to the refractory period changes, excitability and conductivity sensitivity to stimuli.

the autonomic nervous system also on the arrhythmia occurs. patient acute myocardial infarction inferior generally experience increased parasympathetic tone with dua to the tendency of fibrasi and expansion of the ventricular myocardial.

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16 Examination Support Of Acute Myocardial Infarction

1. EKD
2. cardiac enzymes
3. electrolyte
4. white blood cells
5. sedimentation speed
6. chemistry
7. GDA
8. colesterol or serum triglycerides
9. photo of the chest
10. an echocardiogram
11. nuclear imaging examination
12. blood heart imaging (MUGA)
13. coronary angiography
14. digital subtraction angiography (PSA)
15. nuclear magnetic resonance
16. sports stress test.

3 Causes Of Acute Myocardial Infarction or Clinical Manifestation Of Acute Myocardial Infarction (AMI)

1. chest pain that occurs suddenly and continuously does not subside
2. the pain may spread to the neck and jaw direction
3. the pain is often accompanied by shortness of breath, pale, cold, heavy diaforesis, reel or head feels drift and nausea vomiting.

5 Complications Of Acute Myocardial Infarction (AMI)

1. arrhythmia; extrasystole, bradycardia, AV block, ventricular fibrillation, tachycardia
2. heart failure and pulmonary edema
3. shock
4. myocardial rupture
5. stop the heart breath

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