MI

MI: substernal chest discomfort at this moment, EKG ST elevation or depression, wide & deep Q waves, LBBB, tx w aspirin, nitro, β-blk, anticoag, PCI asap


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  • MI
  • aka: myocardial infarction, heart attack, STEMI, NSTEMI,
  • substernal chest discomfort at this moment, EKG ST elevation or depression, wide & deep Q waves, LBBB, tx w aspirin, nitro, β-blk, anticoag, PCI asap
  • Crushing substernal chest discomfort, SOB, nausea, sweat, feeling of impending doom
  • EKG (ST elev or depress, wide & deep Q wave, LBBB), CK-MB↑, troponin↑
  • heart dying (transmural = STEMI, endocardial = NSTEMI) due to O2 shortage bcz supply-- (coronary artery, thrombosis, anemia) or demand++ (tachycardia, afib, hyperthyroid, aortic stenosis, hypertrophy)
  • Aspirin, beta blocker, O2, nitro, anticoag, PCI asap, fibrinolytic if PCI not available, afterward management (beta blocker, ACE inhibitor, statin, anticlots: aspirin, clopidogrel, glyco inh)