Pulmonary acceleration time
Pulmonary acceleration time
Pulmonary acceleration time normal value
[A] > 60 ms
[B] >110 ms
[C] < 60 ms
[D] <110 ms
Pulmonary acceleration time
Right ventricular outflow tract (RVOT) acceleration time
Right ventricular outflow tract (RVOT) acceleration time
- value > 130 ms is normal
- while < 100 ms is highly suggestive of pulmonary hypertension
Severity | PVAT |
---|---|
Normal PAP | > 130 msec |
Borderline PAP | 100 – 130 msec |
Mildly elevated PAP | 80 – 100 msec |
Severely elevated PAP | < 80 msec / systolic notch |