Not every case of chronic atrioventricular valve disease will lead to heart failure though. (lbah.com)
The patient, a 36 - week fetus, who suffered from complete atrioventricular block (CAVB) and cardiac dysfunction, was at high risk of dying before delivery. (sciencedaily.com)
210 had complete atrioventricular septal defects (AVSDs), a serious heart defect that is relatively common among those with Down syndrome (about 20 percent). (sciencedaily.com)