Criteria | Class# | Level¶ |
Echocardiographic diagnosis: PH unlikely | ||
Tricuspid regurgitation velocity ≤2.8 m·s−1, systolic Ppa ≤36 mmHg and no additional echocardiographic variables suggestive of PH | I | B |
Echocardiographic diagnosis: PH possible | ||
Tricuspid regurgitation velocity ≤2.8 m·s−1, systolic Ppa ≤36 mmHg, but presence of additional echocardiographic variables suggestive of PH | IIa | C |
Tricuspid regurgitation velocity 2.9–3.4 m·s−1, systolic Ppa 37–50 mmHg with/without additional echocardiographic variables suggestive of PH | IIa | C |
Echocardiographic diagnosis: PH likely | ||
Tricuspid regurgitation velocity >3.4 m·s−1, systolic Ppa >50 mmHg, with/without additional echocardiographic variables suggestive of PH | I | B |
Exercise Doppler echocardiography is not recommended for screening of PH | III | C |
#: class of recommendation; ¶: level of evidence. Reproduced from 1 with permission from the publisher.