Beta-receptor-blocking and fitness for flying, especially for glider-pilots in competition

Abstract

We flight surgeons all know that physically streneous situations lead to an additional katectholomine excretion.  This, induces, among other things, a considerable increase of the heart-frequency in the sense of a so-called stress-tachycardia (rapid heart rate) and can sometimes even cause extrasystoles (irregular heart-beat)...