Myocardial Infarction Overview

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Questions and Answers

What is the cause of myocardial infarction (MI)?

  • Circulatory stasis
  • Obstruction in a vein
  • Atherosclerosis or an embolis (correct)
  • Interaction in the blood supply

What are the characteristic signs of the onset of MI?

  • Tachycardia and low blood pressure (correct)
  • Pain radiating to the right arm
  • Fever and sweating
  • Nausea and vomiting

How is myocardial infarction (MI) diagnosed?

  • Blood tests only
  • Physical examination only
  • ECG changes only
  • History of the patient and ECG changes (correct)

Why is early diagnosis of myocardial infarction (MI) important?

<p>To improve prognosis with earlier treatment (A)</p> Signup and view all the answers

What causes a new infarction in a previously damaged heart to give a more difficult to interpret ECG pattern?

<p>The site and degree of the area of damage (C)</p> Signup and view all the answers

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