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PubMed1988

Antenatal diagnosis of congenital heart disease and fetal arrhythmia by ultrasound: prospective study.

Fetal echocardiographic and Doppler ultrasonographic prospective studies were performed in utero on 299 babies delivered at Hirata Municipal Hospital, Shimane, Japan, from May 1984 to June 1986. Two or three ultrasonographic examinations were performed on each fetus from 20 weeks of gestation to term. Three congenital heart anomalies and 12 fetal arrhythmias were diagnosed antenatally, but 3 heart anomalies (2 small ventricular septal defects and 1 moderate pulmonary stenosis) were not detected in utero. Routine echocardiographic screening appears to be a useful diagnostic tool to detect congenital heart anomalies and fetal arrhythmia antenatally.

Arrhythmias, Cardiac↗
PubMed1963

FETAL DISTRESS.

Explore the source record for details and available documents.

Asphyxia Neonatorum↗
PubMed1963

THE EFFECTS OF SPINAL ANESTHESIA ON THE FETAL HEART RATE.

The effect of spinal anesthesia on fetal heart rate is due to maternal hypotension and subsequent fetal hypoxia. Maternal hypotension of 80 mm of mercury for five minutes almost always results in hypoxic fetal bradycardia. This bradycardia is gradual in onset, and may be preceded by a short period of fetal tachycardia. There is a lag in the return of fetal heart rate to normal after maternal blood pressure has normalized. Similar bradycardia has been observed in maternal syncope unassociated with anesthesia. Maternal hypotension should be prevented, and if it occurs should be corrected early. Administration of a vasopressor drug is the treatment of choice, with oxygen and fluids as indicated.

Anesthesia, Obstetrical↗