Ideal direction of variation for each dyssynchrony parameter
| Favourable when increase | Favourable when decrease |
| DFT%, IsovolRT, LVET | LPEI, IVD, QRS-E, RPEI, SD, IsovolCT, LPEI/LVET, Sept, LLW, DCSept, DCLLW, Overlap Sept, Overlap LLW, Sept-LLW, MVR/LA, |
DC, diastolic contraction; DFT, diastolic filling time; IVD, interventricular delay; IsovolCT, isovolumic contraction time; LA, left atrial; LLW, left lateral wall; LPEI, left pre-ejection interval; LVET, left ventricular ejection time; MVR, mitral valve regurgitation; RPEI, right pre-ejection interval; SD, systole duration; Sept, septal.