Orthostatic hypertension—a rise in blood pressure upon assuming upright posture—is an underappreciated and understudied clinical phenomenon. There is currently no widely agreed-upon definition of ...

LET us revert now to the reflex “standing” exhibited by the decerebrate animal. We traced it to a postural contraction of the antigravity muscles, in each of which the contraction was due to a ...

In this study a 21-gauge disposable scalp-vein needle filled with heparin was inserted into the right brachial artery. In 80 subjects changes in pulse and diastolic pressures occurring during and ...