Biventricular circulation, 1378–1379 Biventricular junctions, in isomeric atrial appendages, 448f Black-blood images, 319–321 Bland-White-Garland syndrome, 865, 870–872 clinical presentation of, 870–871 diagnosis of, 871–872, 871f incidence of, 870 outcomes for, 872 pathophysiology of, 870 treatment of, 872 medical management, 872 surgical management, 872, 872f Bleeding, management of, in Fontan pathway, 1289–1290 β-blockade, for “well” Fontan, 1338–1339 β-blockers, for chronic heart failure, 1200–1201, 1200f–1201f Blood culture-negative endocarditis, 1051 empiric treatment of, 1052, 1054t Blood cysts, 975, 975f Blood flow distribution of, exercise and, 382–383, 383f volume of, measurement of, 99f–100f, 100–101 Blood gases, cardiopulmonary bypass and, 229 Blood oxygen level-dependent (BOLD), 145–147 Blood-pool Doppler, 286 Blood pressure exercise and, 393–394, 1123–1124 familial clustering of, 1123 measurement of, 1115–1124 ambulatory, 1117–1120 cuff and bladder for, 1115, 1116t instruments for, 1116 technique of, 1116–1117 noninvasive monitoring, in Fontan pathway, 1274, 1274t, 1288 normal ambulatory monitoring of, 1121–1122 in childhood, 1120, 1120f masked hypertension and, 1122 measured in clinic, 1118t–1119t, 1121, 1121f–1122f white coat hypertension and, 1122 obesity and, 1124 reliability of, as measure of circulatory stability, 192, 193f sodium intake and, 1124 tracking and, 1123 variability of, 1122 Blood pressure indexes, in arterial stiffness, 1366 Blood pressure monitors, for exercise testing, 390 Blood stream sepsis, in neonates, 1528 BMPR2, Bone morphogenetic protein receptor 2 BOLD, Blood oxygen level-dependent Bone morphogenetic protein receptor 2 (BMPR2), 1388 Borderline hemodynamic profile, 1295 Bosentan, for pulmonary hypertension, 1390 Brachial artery, endothelial function in, 1367, 1368f Brachiocephalic arteries, abnormal origin of, 904f–905f, 909–910 Bradyarrhythmias, 335–340 Bradycardia in Fontan circulation, 1325, 1325f–1326f general comments of, 335, 336b in neonate, 336 symptomatic, 335–336 Bradycardia-tachycardia syndrome, pacing for, 365 Bradykinin, in endothelial function, 1356 Brain flow to, fetal, 92–93 growth and development of, fetal hemodynamics and, 121–122 Brain death, in cardiac transplantation, 1476–1477 Brain development, effects of anesthetic exposure on, 1552 Brain injury hypotension and, 192–194, 194f prenatal mechanisms of, in complex congenital cardiac disease, 1394 Brain magnetic resonance imaging, of central nervous system, in Fontan pathway, 1291 Brain natriuretic peptide, 1358 Branch pulmonary arteries, long-axis cines through, 320t–321t Brazilian Registry of Congenital Heart Disease Intervention and Angiograph, 1511t–1514t Breath-holding spells, pacing for, 366 Breathing reserve, 385 Bronchial tree, in isomeric atrial appendages, 451–452 Bronchopulmonary dysplasia, pulmonary hypertension associated with, 1385– 1386 Bronchoscopy, of anomalies of the aortic arch, 891 BrS, Brugada syndrome Bruce protocol, 387, 388f Brugada syndrome (BrS), 355–356, 355f BTHS, Barth syndrome Burns, hypertension and, 1138 Burst pacing, ablation and, 359 C Calcium