Fetal atrial fibrillation
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Fetal atrial fibrillation is a type of fetal tachyarrhythmia and usually has an atrial rate of 400 beats per minute and a completely irregular ventricular rhythm.
Radiographic features
Ultrasound - echocardiography
The atrial contractions are usually too faint to be detected by M Mode ultrasound. An irregular ventricular rate may be detected.
Complications
development of hydrops fetalis
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