Leeds Fetal Medicine Unit Website

Tachyarrhythmia

Definition	Fetal heart rate > 200 beats per minute
Incidence	1/1000 livebirths
Diagnosis	Ultrasound or CTG
Gestation at diagnosis	18-40 weeks
Known chromosomal or genetic association	No
Further investigations	Fetal Echocardiogram
Differential Diaganosis
Prognosis	50% develop hydrops, 10% mortality
Recurrance risk	Low
Research Studies	None

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