Cardiotocography | 合法醫療器材資訊網

Cardiotocography(CTG)isatechnicalmeansofrecordingthefetalheartbeatandtheuterinecontractionsduringpregnancy.Themachineusedtoperformthe​ ...

Technical means of recording the fetal heartbeat and the uterine contractions during pregnancy

Cardiotocography (CTG) is a technique used to monitor the fetal heartbeat and the uterine contractions during pregnancy and labour. The machine used to perform the monitoring is called a cardiotocograph.

Fetal heart sounds was described as early as 350 years ago and approximately 200 years ago mechanical stethoscopes, such as the Pinard horn, were introduced in clinical practice.

Modern-day CTG was developed and introduced in the 1950s and early 1960s by Edward Hon, Roberto Caldeyro-Barcia and Konrad Hammacher. The first commercial fetal monitor (Hewlett-Packard 8020A) was released in 1968.[1]

CTG monitoring is widely used to assess fetal wellbeing by identifying babies at risk of hypoxia (lack of oxygen).[2] CTG is mainly used during labour. A review found that in th...