Type and distribution of arrythmias in 1384 fetuses

Type	Number
Premature atrial contractions	1213
Supraventricular tachycardia	69
Complete heart block	39
Atrial flutter	21
2nd degree AV block	10
Sinus tachycardia	8
Ventricular tachycardia	7
Atrial fibrillation	4
Junctional tachycardia	2
Sinus bradycardia	2

Frequency_fetal_arrhythmias.htm

AV: atrioventricular.

Adapted from: Kleinman, CS, Nehgme, R, Copel, JA. Maternal-Fetal Medicine, Principles and Practice, 5th edition, Saunders, 2004, p 466.

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