[Heart rate and blood pressure under psychological and physical laboratory stress in young hypertensive patients following long-term therapy with the beta receptor blocker propranolol].

16 male hypertensive patients who could be compared according to the behaviour of blood pressure and the heart frequency in the psychophysiological experiment, according to age the characteristic signs of the profession underwent a long-term therapy with propranolol. After an average duration of the therapy of 31 months the patients were exposed to psychical and physical laboratory loads after a three-week interval in therapy. The behaviour of the blood pressure and of the heart frequency under psychical and physical laboratory loads before and after the therapy with propranolol are compared.