mean gradient

mean gradient

Average slope (for example, of a water pipe or drain pipe).
References in periodicals archive ?
0 Mean gradient (mm Hg) * <25 25-40 Valve area ([cm.
0 cm2, mean gradient >40 mm Hg, and peak velocity >4.
Transthoracic echocardiogram (TTE) showed an ejection fraction of 62%, severely stenotic aortic valve, with mean gradient of 75 mmHg and a peak gradient of 104 mmHg.
Besides the series of 43 patients quoted above, there is the report of a 68 year old man with a mechanical aortic prosthesis who had stopped oral anticoagulants 3 months after surgery and was seen 23 years later with an audible prosthetic valve click and a mean gradient of 19mm.
A significant drop in peek and mean gradient values were detected in both groups (respectively p=0.
2], maximum gradient of the valve was 25 mmHg, mean gradient was 15 mmHg, systolic pulmonary artery pressure was 40 mmHg.
6 cm2/m2), mean gradient +++++40 mmHg or peak jet velocity +++++4m/s.
Angiogram showed a mean gradient of 38 mmHg (60 mmHg peak gradient across the coarctation.
Her peak gradient was 95 mm Hg, and her mean gradient was 50 mm Hg.
05) utilizing mean gradient, degree accumulations rates, and low water temperature were used in the classification.