cpet echocardiography diastolic dysfunction pci angioplasty cardiopulmonary exercise ti cardiovascular exam paces inspiris valve core valve sapine valve tavr high post op gradient bioprosthetiv valve aortic valve replacement patient prosthesis mismatch mitral repair mitraclip cardiopulmonary testing mitral regurgitation mitral valve av block bundle branch block slow heart rate beginner bradycardia restrictive cardiomyopathy constrictive pericarditis wavefronts crtd wide complex morphology pacemaker mediated tachycardia bypass dialysis cabg chronic kidney disease coronary artery disease outcome esrf esrd revascularisation ckd e/a dt lv filling pressure e/e' ar cw tissue doppler pulmonary vein ar-a fibrinolysis guideline acc stemi 2013 thrombolysis
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