acute STEMI
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| most common cause of acute MI | thrombus formation due to unstable athersclerotic plaque
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| thrombolytic therapy contraindicated | embolic phenomenon, thoracic aortic dissection
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| criteria for MI dx (need 2/3) | sx, EKG, serum cardiac markers
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| detects MI w/in 24hrs - 5 days | Tc-pyrophosphate scan
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| scan performed 24hrs after injection | In-antimyosin scan
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| can detect acute MI, unstable angina, active myocarditis, cardiac transplant rejection | In-antimyosin scan
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| detects both acute and chronic MI | late galolidium enhancement CMR
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| first to inc w/acute MI | myoglobin
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| second to inc w/acute MI | total CK and troponin
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| inc several days after acute MI | LDH
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| dec by beta blockers, anti-HTN drugs, digoxin, & analgesics | double product (SV and HR)
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| used for tachycardia associated w/hypotension or CHF | digoxin
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| ways to dec O2 demand | bed rest, NPO, dec double product
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| dec by diuretics, IV NTG, and MSO4 | pulm HTN
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| used for cardiogenic shock | Intra-aortic balloon pump
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| lyses coronary A thrombus and improves LV function | thrombolytic therapy
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| AE = bleeding, anaphylaxis, hypotension, and arrhythmia | thrombolytic therapy
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| most beneficial time to administer thrombolytics | <6hrs
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| EKG criteria for MI | ST elevation >1mm in 2 or more contigous leads, new LBBB
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| prior intracranial hemorrhage | contraindication for thrombolytic therapy
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| ateriovenous formation | contraindication for thrombolytic therapy
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| known malignant intracranial neoplasm | contraindication for thrombolytic therapy
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| ischemic stroke w/in 3 months | contraindication for thrombolytic therapy
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| significant close-headed or facial trauma w/in 3 months | contraindication for thrombolytic therapy
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| suspected aortic dissection | contraindication for thrombolytic therapy
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| active bleeding | contraindication for thrombolytic therapy
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| time frame for most effective thrombolytic treatment | <6 hrs
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| ST elevation >1mm, new LBBB | EKG criteria for MI
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| used for pts w/cardiogenic shock or high risk for thrombolytic therapy | catheter-based intervention
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| used for pts w/mechanical complications or high risk for catheter-based intervention | CABG
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| diagnosed by echo and treated w/IABG and/or emergent surgery | mechanical complications
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| peak incidence = 3-5 days post MI | mechanical complications
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Created by:
drhermy
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