selectionof,223–225,224f
xenobioprosthetic,222,222f
Valve-sparingaorticrootreplacement,1084
Valvitis,subclinical,inrheumaticfever,1008–1009,1008b
Valvularseveritygrading,1030–1031
Vancomycin
forbloodculture-negativeendocarditis,1054t
forinfectiveendocarditis,1053t
Variables,409
typesof,410–411
Vascularaccess
indiagnosticcatheterization,239
ininterventionaltechniques,254–255
Vascularanomalies,1414
Vascularcatheters,indwelling,inFontanpathway,1274–1275,1288
Vascularimpedance,1361,1361f
Vascularmalformations,indiagnosticcatheterization,251
Vascularocclusion,closureof,ininterventionaltechniques,257
Vascularphysiology,fetal,assessmentof,101–102,101f
Vascularprogramming,104–106
followingfetalcoarctation,106,106f
insettingofrestrictedgrowth,104–106
intwin-twintransfusionsyndrome,106
Vascularresistance,ventricularafterloadand,1360–1361
Vascularrings,877–900
partial,877
Vascularsmoothmuscle,functionof,1356–1357
Vascularsmoothmusclecells,inmyocardialdevelopment,64–65,65f
Vasculartone,endothelialfunctionand,1356
Vasculartumors,cardiac,974,974f
Vasculitides,childhood,systemicarterialdysfunctionand,1372–1373
Vasculogenesis,65–66
Vasculopathies,insyndromaldisorders,1373
Vasculopathyofcardiacallograft,1232–1233,1232f
riskfactorsanddiagnosisof,1225t,1232,1233f–1234f
treatmentof,1233
Vasoactivemedications,foracutecirculatoryfailure,1184t
Vasodilatorsforhypertension,1140–1141,1140t
Vasomotorregulation,inprematurity,201
Vasopressin
foracutecirculatoryfailure,1184t
incontrolofcirculation,1358
forhypotensionandcirculatorycollapse,inprematurity,202–204
forpulmonaryhypertension,206–207
Vasopressoragents,forhypotensionandcirculatorycollapse,inprematurity,
202–204
VeinofGalen,aneurysmof,929–931
clinicalmanifestationsof,929
diagnosisof,929–930,929f–930f
managementof,930–931,930f–931f
Velocity-encodedphase-contrastimages,322–323
Venoatrialconnections,anomalous,withisomericatrialappendage,442–443
Venouscomponents,embryologyof,36–37,36f–38f
Venousduct
absenceof,471
fetalcirculationand,86–87,86f
flowin,fetal,92,92f
persistenceof,471
pulse-waveDopplerof,131,131f
Venousflow,320t–321t
Venousobstructions,interventionaltechniquesfor,269–275
Venoussinus,embryologyof,36–37
Venovenouscollaterals,1269–1270,1270f–1271f
inFontancirculation,1341,1342f
Ventilation
foracutecirculatoryfailure,1182–1183,1184t
withabnormalitiesofdiastolicfunction,1183
withfunctionallyuniventricularcirculation,1183
inhealthycirculation,1182,1182f
withsystolicventriculardysfunction,1182–1183
inextremelyprematureneonate,191
forhemodynamicallysignificantarterialduct,198
minute,384–385
voluntary,maximal,385
Ventilation-perfusionscintigraphy,inpulmonaryhypertension,1388
Ventilatoryanaerobicthreshold,380–381
evaluationof,exercisetestingfor,392
Ventricles
diastolicpropertiesof,pressure-volumerelationshipfor,1196
left,anatomyof,24–25,24f–26f
morphologyof,4–5,7f
originofarterialtrunksfrom,13–14
relationshipsof,13
right,anatomyof,22–24,22f–24f
solitary,6,7f
superoinferior,920–926
topologyof,5–6,7f,13
inuniventricularhearts
complexdouble-outlet,1257–1258
double-inlet,1253–1254,1253f–1254f
Ventricularafterload,arterialimpedanceas,1360–1361
Ventriculararrhythmias,350–351