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</p> Signup and view all the answers

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

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

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

    <p>Vasopressors</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</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</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</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</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</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</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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