Jarisch W R, Ferguson J J, Shannon R P, Wei J Y, Goldberger A L
Cardiovascular Division, Beth Israel Hospital, Boston, Massachusetts 02215.
Experientia. 1987 Dec 1;43(11-12):1207-9. doi: 10.1007/BF01945526.
Healthy elderly subjects (greater than or equal to 65 years) did not show the prominent low frequency (0.07-0.09 Hz) heart rate oscillations (Mayer waves) recorded in young adults immediately following passive upright tilt. This difference may be related to altered autonomic function with physiologic aging.