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Table 3 Correlation coefficients between HR and hemodynamic and echocardiographic variables

From: Influence of heart rate on right ventricular function assessed by right heart catheterization and echocardiography in healthy anesthetized dogs

Variables Heart rate
Correlation coefficients p*
Maximal RV pressure (mmHg) 0.08 0.620
Minimal RV pressure (mmHg) -0.07 0.647
Maximal RV volume (mL) -0.20 0.021
Minimal RV volume (mL) -0.20 0.021
Stroke volume (mL) -0.07 0.677
Cardiac output (L/min) 0.47 0.002
Ees (mmHg/mL) 0.25 0.011
Ea (mmHg/mL) 0.12 0.450
Ees/Ea 0.06 0.729
RVEDA index (cm2/kg0.624) -0.68  < 0.001
RVESA index (cm2/kg0.628) -0.56  < 0.001
RV FACn (%/kg−0.097) -0.40 0.010
TAPSEn (mm/kg0.284) -0.72  < 0.001
RV s’ (cm/s) 0.04 0.828
RV-SL3seg (%) -0.37 0.017
RV-SrL3seg (s−1) 0.42 0.008
RV-SL6seg (%) -0.31 0.054
RV-SrL6seg (s−1) 0.44 0.005
  1. 3seg RV free wall analysis, 6seg RV global analysis, Ea effective arterial elastance, Ees end-systolic elastance, RV right ventricular, RV FACn: RV fractional area change normalized by body weight, RV s’ peak systolic myocardial velocity of the lateral tricuspid annulus, RVEDA index end-diastolic RV area normalized by body weight, RVESA index end-systolic RV area normalized by body weight, RV-SL RV strain, RV-SrL systolic RV strain rate, TAPSEn tricuspid annular plane systolic excursion normalized by body weight
  2. *P value of the Pearson’s or Spearman’s correlation coefficient