Skip to main content
. Author manuscript; available in PMC: 2019 Oct 4.
Published in final edited form as: J Electrocardiol. 2018 Jul 10;51(5):859–862. doi: 10.1016/j.jelectrocard.2018.07.004

Table 2.

Baseline (AAI) versus CRT (AV sequential LV pacing) changes in cardiac structure and function

Parameter Patient 1 Patient 2
AAI CRT AAI CRT
LVEF, % >55 >55 51 52
Strain pattern Classic Normal Classic Normal
MPI 0.58 0.45 0.75 0.57
dP/dtmax, mmHg/ms 1.1 1.3 1.0 1.2
dP/dtmin, mmHg/ms −0.8 −1.0 −1.1 −1.1
Tau, ms 70.6 68.4 67 69.3
LA pressure, mmHg 12 10 15 14
V-waves, mmHg 25 17 26 25
LVEDP, mmHg 21.0 20.4 11.0 11.3

CRT = cardiac resynchronization therapy, LA = left atrial, LV = left ventricular, LVEDP = left ventricular end diastolic pressure, LVEF = left ventricular ejection fraction, MPI = myocardial performance index