Medically reviewed by Christopher Lee, MDMedically reviewed by Christopher Lee, MD Heart block is a delay or disruption within the heart's electrical conduction system that controls the rhythm and ...
SAN DIEGO, California — Pregnant women with anti-SSA/Ro autoantibodies at titer levels of less than 1000 ELISA units per mL are at minimal to no risk for fetal atrioventricular (AV) block and may be ...