A<unk>  scan is not commonly used for the diagnosis of cardiac tamponade as it is effectively diagnosed based on clinical features and echocardiography.
Cardiac tamponade CT
Cardiac tamponade MRI
Cardiac tamponade electrocardiogram
Pericardial effusion laboratory studies
Cardiac tamponade cardiac catheterization
Cardiac tamponade chest x ray
Cardiogenic shock electrocardiogram
Pericardial effusion CT