Open AccessPlacental Compliance—Inferences from Doppler Studies of Umbilical Blood Flow During Cardiac Arrhythymia
Author(s) -
Erskine Lawrence
Publication year - 1987
Publication title -
acta obstetricia et gynecologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.401
H-Index - 102
eISSN - 1600-0412
pISSN - 0001-6349
DOI - 10.3109/00016348709103640
Subject(s) - medicine , umbilical artery , blood flow , cardiology , compliance (psychology) , fetus , doppler ultrasound , bradycardia , hemodynamics , doppler effect , cardiac cycle , pregnancy , anesthesia , blood pressure , heart rate , social psychology , psychology , genetics , physics , astronomy , biology
Pulsed Doppler ultrasound was used to investigate human umbilical artery blood flow patterns in three fetuses where cardiac arrythymias were present, viz., congenital bradycardia, multiple extrasystoles and ‘dropped beats’. The impedance to blood flow along these arteries was assessed by the pulsatility index. The results suggest that the placental vascular bed on the fetal side has a high compliance.