Acute Plaque Change and Coronary Thrombus
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Questions and Answers

What percentage of narrowing of lumen is typically associated with atherosclerotic disease?

  • ≥70% (correct)
  • ≥80%
  • ≥60%
  • ≥50%

    • What is the primary reason for angina pain in stable angina?

  • Coronary artery spasm
  • Disruption of an atheroma plaque
  • Increased cardiac workload due to atherosclerosis (correct)
  • Inadequate blood supply during physical activity

    • What is the characteristic of unstable angina that distinguishes it from stable angina?

  • Pain occurs at rest
  • Pain is only induced by physical activity
  • Pain is relieved by rest
  • Pain occurs with progressively increasing frequency (correct)

    • What is the primary consequence of a mildly stenosing plaque disruption?

    <p>Hemorrhage into the atheroma</p> Signup and view all the answers

    What is the primary treatment for Prinzmetal variant angina?

    <p>Vasodilators such as nitroglycerin and calcium channel blockers</p> Signup and view all the answers

    What is the result of thrombus superimposed on a disrupted partially occluding plaque?

    <p>All of the above</p> Signup and view all the answers

    What is the significance of unstable angina?

    <p>It is a precursor to subsequent acute MI</p> Signup and view all the answers

    What is the role of vasoconstriction in atherosclerosis?

    <p>It reduces lumen size</p> Signup and view all the answers

    What is the characteristic of angina pain in stable angina?

    <p>Episodic and associated with exertion or stress</p> Signup and view all the answers

    What is the primary characteristic of angina pectoris?

    <p>Episodes of substernal chest discomfort</p> Signup and view all the answers

    What is the primary cause of angina pectoris?

    <p>Inadequate perfusion</p> Signup and view all the answers

    What is the role of inflammation in atherosclerosis?

    <p>It plays important roles at all stages of atherosclerosis</p> Signup and view all the answers

    What is a major contributor to plaque buildup in the arteries?

    <p>A diet high in saturated and trans fats</p> Signup and view all the answers

    What is a consequence of uncontrolled high blood pressure?

    <p>It damages the arteries and heart</p> Signup and view all the answers

    Which of the following is a type of angina pectoris?

    <p>All of the above</p> Signup and view all the answers

    What is a consequence of smoking on the arteries?

    <p>It damages the inner lining of the arteries</p> Signup and view all the answers

    What is a consequence of severe anemia?

    <p>It leads to angina pectoris</p> Signup and view all the answers

    What is a consequence of chronic stress?

    <p>It contributes to high blood pressure and inflammation</p> Signup and view all the answers

    What is the primary purpose of an electrocardiogram (ECG)?

    <p>To detect abnormalities in heart rhythm</p> Signup and view all the answers

    What is the main purpose of an exercise stress test?

    <p>To assess how well the heart tolerates physical exertion</p> Signup and view all the answers

    What type of test uses sound waves to create images of the heart?

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

    What is the purpose of a nuclear stress test?

    <p>To highlight areas of the heart with reduced blood flow</p> Signup and view all the answers

    What is placed on the chest, arms, and legs during an ECG?

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

    What is the primary purpose of a physical examination in diagnosing angina pectoris?

    <p>To assess vital signs and heart sounds</p> Signup and view all the answers

    What does a cardiac CT scan help identify?

    <p>The presence and extent of coronary artery disease</p> Signup and view all the answers

    What is the purpose of injecting a contrast dye during coronary angiography?

    <p>To provide detailed information about the coronary arteries</p> Signup and view all the answers

    What does an ST-segment depression on the ECG indicate?

    <p>Myocardial ischemia</p> Signup and view all the answers

    What is the goal of managing angina?

    <p>To relieve symptoms and improve quality of life</p> Signup and view all the answers

    What is the gold standard for diagnosing significant coronary artery disease?

    <p>Coronary angiography</p> Signup and view all the answers

    What does a T-wave inversion on the ECG indicate?

    <p>Previous episode of myocardial ischemia</p> Signup and view all the answers

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