Eb. Arushanian et Ta. Shamlian, SPECIFIC FEATURES OF CIRCADIAN VARIATIONS IN THE PARAMETERS OF A CARDIOINTERVALOGRAM IN PATIENTS WITH CORONARY HEART-DISEASE, Kardiologia, 33(2), 1993, pp. 7-9
The analysis of heart rate in patients with ischemic heart disease rev
ealed its differences in different periods of a day. In severe disease
forms, the daily fluctuation range of some cardiointervalogram parame
ters is higher and their acrophase is shifted to the night and early m
orning hours.