First degree AV block screening
|
First degree AV block Microchapters |
|
Diagnosis |
|---|
|
Treatment |
|
Case Studies |
|
First degree AV block screening On the Web |
|
American Roentgen Ray Society Images of First degree AV block screening |
|
Risk calculators and risk factors for First degree AV block screening |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ahmed Elsaiey, MBBCH [2]
Overview
Screening
- Screening for congenital AV block is recommended.
- Recommendations include echocardiogram for newborns of pregnant women with SSA autoantiboides.
- Timing for screening:
- Women with history of neonatal lupus, fetal Echos are recommended weekly then repeating the Echos every 3 or 4 weeks.
- Women with prior infant with lupus, Echos are performed at the 16 weeks of gestation or 18 weeks.
- Fetal Echos can be stopped by the 23 weeks of gestation.
Screening for early CHB
All respondents recommended some monitoring for CHB with the majority (80%) recommending serial fetal echocardiograms for pregnant women with Ro/SSA antibodies. For pregnant women without a history of neonatal lupus, the most common frequency of fetal ECHOs was every other week (44%), followed by weekly (28%). The remaining respondents selected a variety of answers, including one or two fetal ECHOs, or repeating these tests every 3 or 4 weeks. For pregnant women with a prior infant with neonatal lupus, which puts subsequent pregnancies at an estimated 18% chance for developing CHB, the majority of respondents (80%) recommend weekly fetal ECHOs [23]. The recommended timing to begin the fetal ECHOs was fairly uniform, with half of respondents starting at week 16 and 90% of respondents starting the fetal ECHOs by 18 weeks of gestation (see Fig. 1). Stopping the fetal ECHOs, however, was less uniform, with some recommending stopping fetal ECHOs at 23 weeks and others continuing to 34 weeks. The average and most common response was to stop fetal ECHOs at 28 weeks gestation.