Echocardiography should be done to rule out structural heart disease.
Torsades de pointes echocardiography
Syncope echocardiography
Torsades de pointes electrocardiogram
Palpitation electrocardiogram
Pulseless electrical activity echocardiography
Right bundle branch block echocardiography
Pulseless electrical activity electrocardiogram
Coronary angiography quantitative angiography