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For the SANE protocol, we will also add:
Tissue Doppler Imaging
Deformation analysis by Speckle-Tracking Echocardiography.
Tissue Doppler Imaging
Tissue Doppler Imaging
s' = systolic velocity / vitesse systolique
e' = early diastolic velocity / vitesse diastolique précoce
a' = late (atrial) diastolic velocity / vitesse diastolique tardive
Myocardial performance index (rarely used) = (a-b)/b = (isovolumetric contraction time + isovolumetric relaxation time) / ejection time
Indice de performance myocardique (rarement utilisé) = (a-b)/b = (temps de contraction isovolumétrique + temps de relaxation isovolumétrique) / temps d'éjection
a = ejection time / temps d'éjection
c = isovolumetric contraction time / temps de contraction isovolumétrique
d = isovolumetric relaxation time / temps de relaxation isovolumétrique
Tissue Doppler at Septal Leval
Tissue Doppler at Septal Leval
s' (systolic velocity - vécolité systolique) = 10 cm/s
e' (early diastolic velocity - vélocité précoce diastolique) = 13 cm/s
a' (late/atrial diastolic velocity - vélocité tardive/auriculaire diastolique) = 10 cm/s
Myocardial Performance Index (MPI) / Indice de performance myocardique = (1 - 2)/2 = (426 - 229)/229 = 0.86
Tissue Doppler at Lateral Mitral Valve Level
Tissue Doppler at Lateral Mitral Valve Level
Lateral wall TDI - Paroi latérale par Doppler tissulaire
s' (systolic velocity - vécolité systolique) = 13 cm/s
e' (early diastolic velocity - vélocité précoce diastolique) = 17 cm/s
a' (late/atrial diastolic velocity - vélocité tardive/auriculaire diastolique) = 13 cm/s
Myocardial Performance Index (MPI) = (1 - 2)/2 = (426 - 292)/292 = 0.46
Tissue Doppler at Lateral Tricuspid Valve Level
Tissue Doppler at Lateral Tricuspid Valve Level
s' (systolic velocity - vécolité systolique) = 14 cm/s
e' (early diastolic velocity - vélocité précoce diastolique) = 12 cm/s
a' (late/atrial diastolic velocity - vélocité tardive/auriculaire diastolique) = 13 cm/s
RV-MPI = (412-310)/310 = 33
IPM-VD = (412-310)/310 = 33
Deformation analysis by Speckle-Tracking Echocardiography.
Deformation analysis by Speckle-Tracking Echocardiography.
As part of the SANE protocol, we will also be extracting deformation analysis parameters for the RV, LV and LA.
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