Time to end-systole.standard deviation^resting:TRto:Pt:Heart.ventricle.left:Qn:NM.SPECT
time to end-systole.standard deviation^resting:trto:pt:heart.ventricle.left:qn:nm.spect
Standard deviation of time to end-systole Left ventricle SPECT --resting
standard deviation of time to end-systole left ventricle spect --resting