PHENOTYPIC PATTERNS OF RVD CHARACTERISTICS
M-S Depression RV Dilatation RV Hypertrophy LVD
1) RV pressure overload NO NO YES NO
2) RV volume overload NO / YES YES NO NO
3) RV volume overload + LVD NO / YES YES NO YES
4) Depressed RV function + LVD NO / YES NO NO YES
5) Mixed RV overload + LVD NO / YES YES YES YES
6) Other NO NO YES YES
Abbreviations: RVD: right ventricular dysfunction; LVD: Left ventricular dysfunction; RV: right ventricle; LV: left ventricle; RVH: right ventricular hypertrophy; M-S: moderate-severely depressed RV function
Table 1: Differential characteristics of the different patterns.