Hello. I am currently 20 weeks and was told that my daughter has fetal arrhythmia. Her HR was 145 bmp. Her HR is not considered brady/tachy. The Dr. said that the rhythm sounded like it was taking a 'pause' in between the beats. I am scheduled to get a fetal echo in a couple of weeks. Is this something I should be concerned with? What irregularity could this be? *They saw a good view of the 4-chamber heart, which he said r/o 85% of heart defects. Thank you.
I am not a pediatric cardiologist, but from what I know, this is not very uncommon. What happens is that these short runs of fast heart rate terminate and result in a pause (tachy/brady syndrome). These short pauses aren't likely to have a detrimental effect on your baby's health so I would not be overly concerned. The fact that there aren't any structural defects is very encouraging. Of course, when the baby is born a pediatric cardiologist will have to evaluate him or her and most likely simple observation and follow up will be indicated. It's very rare for an newborn to need a pacemaker.
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