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Figure 4 Timing Parameters
Timing parameters presented by mean values and SDs (error bars), for the 21 pulmonary arterial hypertension patients. ECG = electrocardiogram; L = left ventricle; R = right ventricle; S = septum; Taortacl = closure time of aortic valve; Tivsb = time of maximal leftward septal bowing; Tonset = onset time of circumferential shortening; Tpeak = peak time of circumferential shortening; Tpulmcl = closure time of pulmonary valve.
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