...Karen Stainer; C. Pickles; A. J. Cowley 1. Forearm venous tone was measured in the left lateral supine position and in response to passive leg elevation in a group of women with pregnancy-induced hypertension and compared with a group of normotensive pregnant women and a group of non-pregnant women...

...Karen Stainer; Rachel Morrison; C. Pickles; A. J. Cowley 1. Forearm venous tone was measured in two groups of pregnant women: one group with pregnancy-induced hypertension and the other group with normal blood pressure. 2. The women with pregnancy-induced hypertension were venoconstricted...

... decrease was clearly related to decrease in plasma volume loss. 3. Plasma renin activity increased significantly after 5 min ( P < 0·01), but did not correlate with plasma volume loss. 4. Venous tone in the forearm was unchanged. 5. It is concluded that the pressure reduction was secondary to plasma...