Table 1. Inclusion and exclusion criteria.

Inclusion	Exclusion
Age more than 21 and less than 82	Chronic diseases (hypertension, diabetes, chronic cardiac, lung, renal or liver disease)
Body mass index <27 kg/m2	Claustrophobia
	Ferromagnetic implants or shrapnel
	Arrhythmia
	Dyspnea precluding a 10-15 s breath-hold
	Any medication
	Abnormal EKG
	Structural or valvular abnormality in 2D echocardiography