Schellong test

Schel·long test

(shel'ŏng),
a test for circulatory function; the subject is required to stand for 10-20 min, during which time the blood pressure is measured continuously; a fall of systolic pressure of 20 mm Hg or more indicates poor circulatory function.

Schellong,

Fritz, German physician, 1891-1953.
Schellong test - for circulatory function.
Schellong-Strisower phenomenon - reduction of the systolic blood pressure, accompanied sometimes by vertigo, on rising from the horizontal to the erect posture.