Table 4.
Recommended TTE parameters and corresponding cutoff values for the diagnosis of PH on the new criterion.
| Parameters | Cutoff values |
|---|---|
| TR signal is mild or unavailable | |
| RVOT-AT | < 93 ms |
| mPA | > 25 mm |
| RAA | > 14.5 cm2 |
|
| |
| TR signal is clear and available | |
| TAPSE/sPAP | < 0.50 mm/mmHg |
| RVOT-AT | < 93 ms |
| sPAP | > 37.5 mmHg |
Note: mPA, main pulmonary artery diameter.
Abbreviations: RAA, right atrial area; RVOT-AT, right ventricular outflow tract acceleration time; sPAP, systolic pulmonary arterial pressure; TAPSE, tricuspid annular plane systolic excursion; TR, tricuspid regurgitation.