Radiology Cardiovascular system 2ed6616c Most impoant investigation for pericardial effusion - A Cardiac catheterization B USG C Echocardiography D X-ray chest High-Yield Explanation 2D Echocardiography is the investigation of choice for Pericardial Effusion ,Cardiac Tamponade ,Valvular Hea ds , Cardiomyopathy