References
- Fallis N, Langford HG. Relation of second trimester blood pressure to toxaemia of pregnancy in the primagravid patient. Am J Obstet Gynecol 1963; 87: 123–5
- Gant N F, Chand S, Worley R J, Whalley P J, Crosby U D, MacDonald PC. A clinical test useful for predicting the development of acute hypertension in pregnancy. Am J Obstet Gynecol 1974; 120: 1–7
- Degani S, Abinader E, Eibschitz I, Oettinger M, Shapiro I, Sharf M. isometric exercise test for predicting gestational hypertension. Obstet Gynecol 1985; 65: 652–4
- Conde-Agudelo A, Belizan J M, Lede R, Bergel EF. What does an elevated mean arterial pressure in the second half of pregnancy predict—Gestational hypertension or preeclampsia. Am J Obstet Gynecol 1993; 169: 509–14
- Rogers M S, Baldwin S, Chung T. A reappraisal of second trimester mean arterial pressure in the prediction of pre-eclampsia. J Obstet Gynaecol 1994; 14: 232–6
- Rogers M S, Ferguson S, Chung T. Oscillometric measurement of mean arterial pressure: the effect of position on prediction of pregnancy induced hypertension. J Obstet Gynaecol 1995; 15: 221–5
- Dekker G A, Sibai BM. Early detection of preeclampsia. Am J Obstet Gynecol 1991; 165: 160–72
- Rogers M S, Hung C. Change in mean arterial pressure following isometric exercise in normotensive and hypertensive pregnancy: validation of a continuous blood pressure monitor. Hypertens Preg 1996; 15: 211–8
- Gant N F, Daley G L, Chand S, Whalley P J, MacDonald PC. A study of angiotensin II pressor response throughout primagravid pregnancy. J Clin Invest 1973; 52: 2682–9
- Easterling T R, Benedetti T J, Schmucker B C, Millard SP. Maternal hemodynamics in normal and preeclamptic pregnancies: a longitudinal study. Obstet Gynecol 1990; 76: 1061–9
- Atkins A FJ, Watt J M, Milan P. A longitudinal study of cardiovascular dynamic changes throughout pregnancy. Eur J Obstet Gynaecol Reprod Biol 1981; 12: 215–24
- Atkins A FJ, Watt J M, Milan P. The influence of posture upon cardiovascular dynamics throughout pregnancy. Eur J Obstet Gynaecol Reprod Biol 1981; 12: 357–72
- Easterling T R, Watts H, Schmucker B C. Measurement of cardiac output during pregnancy: validation of Doppler technique and clinical observations in preeclampsia. Obstet Gynecol 1987; 69: 845–50
- Robson S C, Dunlop W, Moore M, Hunter S. Combined Doppler and echocardio-graphic measurement of cardiac output: theory and application in pregnancy. Br J Obstet Gynaecol 1987; 94: 1014–27
- Kubicek W G, Kamegis J N, Rp Patterson, Witsoe D A, Matteson RH. Development and evaluation of an impedance cardiac output system. Aerospace Med 1966; 37: 1208–12
- Masaki D I, Greenspoon J S, Ouzounian JG. Measurement of cardiac output in pregnancy by thoracic electrical bioimpedance and thermodilution. Am J Obstet Gynecol 1989; 161: 680–4
- Milsom I, Forssman L, Sivertsson R. Measurement of cardiac stroke volume by impedance cardiography in the last trimester of pregnancy. Acta Obstet Gynaecol Scand 1983; 62: 473–9
- Bernstein DP. Continuous noninvasive real-time monitoring of stroke volume and cardiac output by thoracic electrical bioimpedance. Crit Care Med 1986; 14: 898–901
- Bernstein DP. A new stroke volume equation for thoracic electrical bioimpedance: theory and rationale. Crit Care Med 1986; 14: 904–9
- Easterling T R, Benedetti T J, Carlson K L, Watts DH. Measurement of cardiac output in pregnancy by thermodilution and impedance techniques. Br J Obstet Gynaecol 1989; 96: 67–9
- Heilmann L, Lohr D, Hintereicher M, Von Tempelhoff G F, Ose C. Changes in central hemodynamics and peripheral circulation in pregnancy. Geburtshilfe Frauenheikd 1993; 53: 472–8
- De Swiet M, Talbert DG. The measurement of cardiac output by electrical impedance plethysmography in pregnancy. Are the assumptions valid? Br J Obstet Gynaecol 1986; 93: 721–6
- Wacker J, Lewicka S, Haack D, Bastert G. Hypertension in pregnancy. J Steroid Biochem Molec Biol 1993; 45: 65–8
- Nissel H, Hjemdahl P, Linde B. Cardiovascular responses to isometric handgrip exercise: an invasive study in pregnancy induced hypertension. Obstet Gynecol 1987; 70: 339–43
- Werko L. Pregnancy and heart disease. Acta Obstet Gynaecol Scand 1954; 33: 162–210
- Bader R A, Bader M E, Rose D J. Haemodynamics at rest and during exercise in normal pregnancy as studied by cardiac catheterization. J Clin Invest 1955; 34: 1524–36
- Roy S B, Malkani P K, Virik R. Circulatory effects of pregnancy. Am J Obstet Gynecol 1966; 96: 221–5
- Lees M M, Taylor S H, Scott D B. A study of cardiac output at rest throughout pregnancy. J Obstet Gynaecol Br Commonwlth 1967; 74: 319–28
- Ueland K, Novy M J, Peterson E N. Maternal cardiovascular dynamics. IV. The influence of gestational age on the maternal cardiovascular response to posture and exercise. Am J Obstet Gynecol 1969; 104: 856–64
- Veille J C, Morton M J, Burry KJ. Maternal cardiovascular adaptations to twin pregnancy. Am J Obstet Gynecol 1985; 153: 261–3