Methods for Recording the Continuous Fetal Heart Rate and Uterine Contractions

1974 ◽  
Vol 1 (1) ◽  
pp. 169-190
Author(s):  
DAVID M. SERR
Keyword(s):  
Heart Rate ◽  
Fetal Heart Rate ◽  
Fetal Heart ◽  
Uterine Contractions

scholarly journals Recognising Fetal Compromise in the Cardiograph during the Antenatal Period: Pearls and Pitfalls

2020 ◽  
pp. 72-83
Author(s):  
Susana Pereira ◽  
Caron Ingram ◽  
Neerja Gupta ◽  
Mandeep Singh ◽  
Edwin Chandraharan
Keyword(s):  
At Risk ◽  
Heart Rate ◽  
Neurological Disorders ◽  
Fetal Heart Rate ◽  
Fetal Heart ◽  
International Guidelines ◽  
Antenatal Period ◽  
Uterine Contractions ◽  
Computerised Analysis ◽  
Fetal Compromise

There are several national and international guidelines to aid the interpretation of the cardiotocograph (CTG) trace during labour. These guidelines are based on assessing changes in the fetal heart rate (i.e. cardiograph) in response to mechanical and hypoxic stresses during labour secondary to ongoing frequency, duration and strength of uterine contractions (i.e. tocograph). However, during the antenatal period, uterine contractions are absent, and therefore, these intrapartum CTG guidelines cannot be used to reliably identify fetuses at risk of compromise. Computerised analysis of CTG using the Dawes-Redman Criteria could be used to detect fetal compromise. However, clinicians should be aware of the multiple pathways of fetal damage (i.e. inflammation, infection, intrauterine fetal stroke, chronic fetal anaemia, acute feto-maternal haemorrhage and fetal cardiac or neurological disorders) which can cause changes on the CTG trace which may not be recognised by using CTG guidelines.

scholarly journals Safety of Cimetidine in Obstetric Patients

1979 ◽  
Vol 72 (12) ◽  
pp. 902-907 ◽  
Author(s):  
W A W McGowan
Keyword(s):  
Heart Rate ◽  
Fetal Heart Rate ◽  
Fetal Heart ◽  
Pulmonary Aspiration ◽  
New Approach ◽  
Obstetric Anaesthesia ◽  
Uterine Contractions

Cimetidine has been suggested as a new approach to the prevention of the acid pulmonary aspiration syndrome in obstetric anaesthesia. In 20 patients in labour cimetidine 200 mg intravenously did not prolong labour or alter the pattern or strength of uterine contractions. The fetal heart rate did not show any alteration in rate or pattern and it was confirmed that cimetidine crosses the placenta. These findings suggest that further studies of cimetidine in obstetric patients would be safe.

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