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MYOCARDIAL INFARCTION

– death of myocardial muscle cells.
– there is lack of oxygen from inadequate perfusion.

CAUSES:

  • ATHEROSCLEROSIS
  • INADEQUATE PERFUSION TO MEET METABOLIC DEMANDS
  • EMBOLISM OR THROMBUS
  • CORONARY ARTERY SPASM

ASSESMENT:

  • CRUSHING, BURNING, TIGHTNESS OR SQUEEZING SUBSTERNAL PAIN
  • LASTS THE LONGER THAN ANGINAL PAIN, USUALLY LONGER THAN 30 MINS.
  • *IS UNRELIEVED BY REST OR NITROGLYCERIN

DIAGNOSTIC TEST RESULTS:

  • ECG WOULD SHOW AN ENLARGED Q WAVE, AN ELEVATED OR DEPRESSED ST SEGMENT, AND T WAVE INVERSION.

Drug Therapy for Myocardial Infarction:

  • ANALGESIC: MORPHINE I.V
  • ACE INHIBITORS: CATOPRIL (CATOPEN), ENALAPRIL (VASOTEC)
  • ANTICOAGULANTS: ASPIRIN
  • ANTIHYPERTENSIVE: HYDRALAZINE
  • CALCIUM CHANNEL BLOCKER: NIFEDIPINE (PROCARDIA)
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