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Pulsed wave tissue Doppler imaging of the RV free wall of an SSc patient. 1: peak myocardial systolic velocity (Sm), 2: peak early diastolic velocity (Em), 3: peak late diastolic velocity (Am) 4: isovolumetric contraction time (IVCT), 5: ejection time (ET), 6: peak myocardial isovolumetric contraction velocity (IVV), acceleration time (AT), isovolumetric acceleration (IVA), 7: isovolumetric relaxation time (IVRT-RV).
