The fetal cardiac isovolumetric contraction time in normal pregnancy and in pregnancy with placental vascular disease: the first clinical report using a new ultrasound technique

Weissler, 1968, Systolic time intervals in heart failure in man, Circulation, 37, 149, 10.1161/01.CIR.37.2.149 Metzger, 1970, True isovolumetric contraction time, Am J Cardiology, 25, 434, 10.1016/0002-9149(70)90010-X Goodlin, 1972, Systolic time intervals in the fetus and neonate, Obstet Gynecol, 39, 295 Murata, 1974, Systolic time intervals of the fetal cardiac cycle, Obstet Gynecol, 44, 224 Wolfson, 1977, Antenatal investigation of human fetal systolic time intervals, Am J Obstet Gynecol, 129, 203, 10.1016/0002-9378(77)90745-1 Robinson, 1978, Fetal electromechanical intervals in labour, Br J Obstet Gynaecol, 85, 172, 10.1111/j.1471-0528.1978.tb10476.x Murata, 1978, Antepartum evaluation of pre-ejection period of the fetal cardiac cycle, Am J Obstet. Gynecol, 132, 278, 10.1016/0002-9378(78)90893-1 Organ, 1980, The preejection period as an indicator of fetal well-being, Am J Obstet Gynecol, 137, 810, 10.1016/0002-9378(80)90890-X Bartling, 1980, Characteristic changes of the pre-ejection period of the human fetal heart during umbilical cord occlusion, J Perinat Med, 8, 183, 10.1515/jpme.1980.8.4.183 Giolandino, 1986, A new method for the measurement of pre-ejection period in the human fetus, Br J Obstet Gynecol, 93, 307 Smith, 1996, Prolonged fetal preejection period corrected for PR interval associated with cerebral palsy, Eur J Obstet Gynecol Reprod Biol, 71, 95, 10.1016/S0301-2115(96)02616-4 Thompson, 1988, Doppler ultrasound waveform indices: AB ratio, pulsatility index and Pourcelot ratio, Br J Obstet Gynaecol, 95, 589, 10.1111/j.1471-0528.1988.tb09488.x Mari, 1992, Middle cerebral artery flow velocity waveforms in normal and small for gestational age fetuses, Am J Obstet Gynecol, 166, 1262, 10.1016/S0002-9378(11)90620-6 Murata, 1978, Cardiac systolic time intervals in fetal monkeys: Pre-ejection period, Am J Obstet Gynecol, 132, 285, 10.1016/0002-9378(78)90894-3