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- African American HTN, most appropriate treatment calcium channel blocker and thiazide
- In cardiac tamponade, equalisation of intrapericardial and ventricular filling pressures leads to inspiratory decrease in LV stroke volume
- Mechanical mitral prosthesis - long term antithrombotic therapy is aspirin 81 mg daily and warfarin INR 2.5-3.5 is class I
- Gastric bypass surgery, mesenteric vein thrombosis, mutation of methylenetetrahydrofolate reductase enzyme, all other lab tests normal, anticoagulate with vitamin K antagonist for 3 months INR of 2.0 to 3.0 because MTHFR genetic mutation without hyperhomocysteinemia does not increase risk of recurrence after discontinuation of anticoagulant and does not require higher INR target
- Rupture of interventricular septum is late complication of penetrating cardiac trauma
- LMCA stenosis above 50%, severe LV dysfunction, multiple comorbidities - LMCA PCI
- Noonan syndrome has normal karyotype
- Worsening dyspnea & hypotension, NSVT, worsening severe LV dysfunction within 2 weeks - acute, fulminant heart failure, best test right heart catheterization with endomyocardial biopsy
- Pseudonormal E:A and short E wave deceleration time indicate high filling pressure and reduced LV compliance
- Warfarin, intracerebral haemorrhage - 4F prothrombin concentrate complex 1500 units