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[Indirect measurement of venous pressure in the lower limbs. Method, results and supplementary findings].

Following studies concerning plethysmography with a mercury gauge, the authors measure the changes in the volume of the foot accompanying the changes in venous pressure caused by active exercises. With this background the authors specify the relations between changes in venous pressure and changes in foot volume. Finally, they determine the fall in pressure caused by extension exercises of the toes. They conclude their work by a few additional remarks, commenting on the resting venous pressure upon assuming the horizontal position, the venous capacity, the arterial output, the draining venous output and the coefficient of capillary filtration.