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Re: Embryonic Heart Rate @ 8 weeksFrom: Terry J. DuBose (duboseterryj@uams.edu)Tue Dec 3 08:44:05 2002
Dr. Ryan, here is what a new textbook says about arrhythmias... "Fetal Dysrhythmias: Irregular patterns of fetal heart rhythms are a frequent finding. Short periods of tachycardia, bradycardia, and ectopic beats are very commonly seen and, in the vast majority of cases, have no clinical significance. A sustained bradycardia of less than 100 beats per minute, a sustained tachycardia of of more than 200 beats per minute, and irregular beats occurring more than 1 in 10 should be considered abnormal and require further investigation." Fleischer, Manning, Jeanty, & Romero: Sonography in Obstetrics & Gynecology 6th Ed. McGraw-Hill 2001, p. 172ff. The text continues for a few pages covering in detail Premature Atrial & Ventricular Contractions, Supraventricular Tachyarrhythmias, Atrioventricular Block, as well as other prenatal cardiac diagnoses. You can also find more information on http://www.OBGYN.net... do a search on "arrhythmias". I got 46 hits, most dealing with adults, but several on the fetus. Hope this helps. Peace, Terry J DuBose, M.S., RDMS
ultrasound@obgyn.net writes:
>Could you please explain the implications of fetal arrythmia at 23 weeks? Peace, Terry J. DuBose, M.S., RDMS Assistant Professor & Director, Diagnostic Medical Sonography Program University of Arkansas for Medical Sciences, CHRP 4301 West Markham St. Mail Slot #563 Little Rock, Arkansas, 72205 USA 501-686-6510 DuBoseTerryJ@UAMS.edu http://www.io.com/~dubose/ http://www.uams.edu/CHRP/dmshome.htm http://www.obgyn.net/us/panel/panel.htm
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