25. Ischemic Heart Disease- Myocardial Infarcion Flashcards

1
Q

What is the definition of myocardial infarction?

A

irreversible death of myocardial cells caused by ischemic ??

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2
Q

What are the symptoms?

A
  • chest pain
  • changes in laboratory findings
  • changes in ECG
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3
Q

How is the acute coronary syndrome categorised?

A

Non- ST elevation acute coronary syndrome
- elevation ST-segment (unstable angina)
- non-stemi myocardial infarction
???

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4
Q

What are the types of myocardial infarction?

A
  • type 1
  • type 2
  • type 3
  • type 4
    • type 4a
    • type 4b
    • type 4c
  • type 5
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5
Q

What is the etiology of a myocardial infarction?

A

any condition that causes occlusion of the coronary arteries, reduces myocardial oxygen supply or increase oxygen demand

  • Coronary artery disease (most common cause)
  • Coronary artery vasospasm
  • Coronary artery embolism
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6
Q

What is the clinical presentation?

A

Typical:

  • dull, squeezing acute retroternal chest pain that radiates to left arm, shoulder, neck, jaw or epigastrium
  • anxiety
  • dizziness
  • nausea
  • back pain
  • sweating
  • irregular heart rate
  • dyspnea
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7
Q

What will the examination be like?

A
  • check vital signs
    • irregular heart rate and pulse possible
  • ???
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