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The purpose of this study is assess the utility of exercise echocardiography in diagnosing constrictive pericarditis (CP).
The aim of this study is to reveal differences between symptomatic and asymptomatic severe AS patients matched for anatomic (aortic valve area) and hemodynamic (mean gradient) AS severity. The secondary aim is to evaluate functional and prognostic significance of strain value of LV and RV.
The study will determine the benefit of Colchicine versus placebo for cardiac surgery patients on the post-operative development of atrial fibrillation and post-pericardiotomy syndrome.
Primary Objective. Colchicine will reduce the composite endpoint of incidence of post-operative atrial fibrillation and post-pericardiotomy syndrome at 3 months following cardiac surgery.
The purpose of this study is to compare echocardiographic between acute and chronic severe AR patients at baseline and after surgical aortic valve replacement.
1. Determine the feasibility of measuring velocity of flow across a patent foramen ovale and using this Doppler spectrum to estimate left atrial pressures.
2. Correlate PFO velocity Doppler profile with the degree of diastolic dysfunction.
3. To Correlated PFO velocity and Doppler derived left atrial pressure with left atrial pressure measured during cardiac catheterization in a subset of (n=20) subjects for validation of this methodology.
The purpose of this study is to learn more about identifying risk factors for progression from acute pericarditis to constrictive pericardial disease.
There has been a paradoxical finding in clinical trials with severe AS patients that LV mass regression is greater and faster after surgical AVR compared to transcatheter AVR while hemodynamic profile is better after TAVR compared to SAVR. We do have a preliminary finding to explain this paradox and want to validate it.
The purpose of this study is to see if using two-dimensional speckle tracking echocardiography improves the initial diagnosis of acute coronary syndrome in patients with chest pain who visit the emergency department.
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