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step 2: Cardio3
Cardio 3
| Question | Answer |
|---|---|
| How do you treat a distal embolus (such as in a leg)? | First heparin, then embolectomy |
| What heart sounds may indicate an MI? | S3 or NEW S4, new systolic murmur |
| how often should heart enzymes be measured in first 24h of MI pt? | every 8h |
| which enzyme is best to check in initial 24h of MI? Which is best to check after a few days? | w/i 24h: CK-MB. few days: Trop I (can be used initially too) |
| What drug is contraindicated in STelv MI (due to risk of reflex tachycardia)? | Nifedipine (non-dhp CCBs like diltiazem can be given after B-blockers) |
| Name the 6 meds to give in MI during emergency | O2, ASA chewed, clopidogrel or GP IIb/IIIa inh, B-blocker, NG, Morphine |
| What 2 electrolyte levels should be maintained in an MI pt? | Potassium and Magnesium |
| what picture would indicate RVF after MI? What drugs should you avoid? | clear lung fields, raised JVP. avoid nitrates and diuretics...they will exacerbate hypotension |
| Vfib following MI is due to ________ | re-entry beats (damaged myocardium causes block) |
| What med do you add during MI Rx if you suspect pulm edema? | Furosemide |
| 3 MCC's of death in few hrs post-MI? | Vtach, Vfib, cardiogenic shock |
| What arrhythmia can free wall rupture post-MI lead to? | PEA (due to tamponade) |
| persistant elevated ST months after MI indicates? | wall aneurysm |
| What do you do if MI pt gets cold leg (embolism from LV) in ICU? | ECHO to visualize original thrombus |
| What is ASA "pseudo-allergy"? Rx for it? | raised LTs due to COX block. Rx with LT inhibitors |
| What are the 5 out-patient meds to give after ICU discharge in post-MI? | B-blockers, ACEi/ARB, ASA or clopidogrel, statin, K+-sparing diuretic |
| Warfarin is given post-MI if there is risk of ___________ | thrombus |
| Rx of choice for cocaine MI? | benzos |
| SA is often involved in MI of which part of heart? | Inferior MI, since blood supply is the same (RCA) |
| How does verapamil affect digoxin clearance? | it causes decreased digoxin clearance from kidneys (increasing risk of side effects) |
| What do you give for Vtach post-MI? | amiodarone |
| What are 3 GP IIIb/IIa inhibitors? | abciximab, eptifibatide, tirofiban |
| Ticlopidine has same mech of axn as _________. This mech of axn is? | clipidogrel. ADP rec blocker on platelets |
| what lipid Rx binds C diff toxin? | bile acid sequestrants. |
Created by:
jsad
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