ATP	adenosine triphosphate
BNP	B-type natriuretic peptide
CI	cardiac index
CK	creatine kinase
CK-MB	creatine kinase-muscle/brain
CO	cardiac output
EDV	end-diastolic volume
EF	ejection fractions
ESV	end-systolic volume
ET	ejection time
FS	fractional shortening
HR	heart rate
ICT	isovolumetric contraction time
IRT	isovolumetric relaxation time
LVIDd	left ventricular internal diameter end-diastole
LVIDs	left ventricular internal diameter end-systole
LVOTd	left ventricular outflow tract diameter
MPI	myocardial performance index
NT-pro BNP	N-terminal pro BNP
NYHA	New York Heart Association
PDCM	pediatric dilated cardiomyopathy
SV	stroke volume