Partial spectral element in the chronome of a human neonatal heart rate at term.
An initial infradian prominence characterizes the spectral element of the chronome or the time structure of half-hourly heart rates during the first 40 days after birth of a boy born at term. Immediately pertinent infradian prominence, which was previously documented for many premature infants and anticipated from the integration of 2-day segments of half-hourly data from infants born at term, is now displayed longitudinally. Dominating first are an about-weekly (circaseptan) or half-weekly (circasemiseptan) and an about 26-day (circatrigintan) component, with a subsequent change from infradian to circadian prominence.
Watanabe
Yoshihiko
Y
Tokyo Women's Medical University, Daini Hospital, Tokyo, Japan. yoshi-w@jd5.so-net.ne.jp
Cornélissen
Germaine
G
Hellbrügge
Theodor
T
Watanabe
Fumihiko
F
Otsuka
Kuniaki
K
Schwartzkopff
Othild
O
Halberg
Franz
F
D002909:Chronobiology Phenomena / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn / Q000502:physiology*; D008297:Male