Stages of Myocardial Infarction Healing
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Questions and Answers

What are the metabolites responsible for irritating myocardial fibers in ischemia?

  • Histamines, bradykinin, prostaglandins (correct)
  • Acetylcholine, GABA, glutamate
  • Adrenaline, dopamine, serotonin
  • Insulin, glucagon, cortisol

In a myocardial infarction (MI), which zone describes where cells die and tissue becomes necrotic?

  • Zone of Infarction (correct)
  • Zone of Ischemia
  • Zone of Reperfusion
  • Zone of Hypoxia

Which diagnostic method is commonly used to assess myocardial infarction (MI)?

  • Chest radiography
  • Pulmonary function test
  • Exercise stress test
  • Echocardiogram (correct)

What is the primary treatment for angina?

<p>Sublingual nitroglycerin (D)</p> Signup and view all the answers

Which lifestyle change is recommended for preventing and treating heart conditions?

<p>Regular exercise and stress management (A)</p> Signup and view all the answers

Which type of medications are used as vasodilators in the treatment of heart conditions?

<p>Vasopressors (A)</p> Signup and view all the answers

Which zone of injury in a heart attack is characterized by being next to the zone of infarction and is reversible?

<p>Zone of Ischemia (D)</p> Signup and view all the answers

What is the function of leukocytes in the context of a heart attack?

<p>Aiding in the removal of dead cells (C)</p> Signup and view all the answers

What metabolite is considered a better predictor of cardiovascular mortality and remains elevated for 5-7 days after a heart attack?

<p>TnT (D)</p> Signup and view all the answers

Which enzyme released by injured heart muscle cells is used as a cardiac marker to diagnose a heart attack?

<p>CK-MB (D)</p> Signup and view all the answers

What is the main goal of using thrombolytic agents in the treatment of a heart attack?

<p>Dissolve clots (A)</p> Signup and view all the answers

Which diagnostic method for a heart attack involves the measurement of serum levels of cardiac enzymes such as TnI?

<p>TnI &gt; CK-MB (A)</p> Signup and view all the answers

In which class of heart failure do patients experience marked limitation of physical activity?

<p>Class III (A)</p> Signup and view all the answers

Which type of cardiomyopathy is caused by abnormal genes in the heart muscle?

<p>Hypertrophic Type (B)</p> Signup and view all the answers

What are the symptoms of Class II heart failure when engaging in ordinary physical activity?

<p>Palpitations, Fatigue, SOB (B)</p> Signup and view all the answers

In the diagnosis of myocardial infarction (MI), which zone indicates irreversible damage to the myocardium?

<p>Zone of Necrosis (C)</p> Signup and view all the answers

Which metabolite is commonly associated with the ischemic segment during myocardial infarction?

<p>Lactic Acid (A)</p> Signup and view all the answers

What is the main treatment approach for patients with myocardial infarction?

<p>Medication and lifestyle changes (B)</p> Signup and view all the answers

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