WSyndromes affecting the heart
W1p36 deletion syndrome
W8p23.1 duplication syndrome
W13q deletion syndrome
WDiGeorge syndrome
WAcute coronary syndrome
WAlagille syndrome
WAndersen–Tawil syndrome
WAntley–Bixler syndrome
WMitral valve prolapse
WBlue baby syndrome
WBrugada syndrome
WCantú syndrome
WCardiofaciocutaneous syndrome
WCat eye syndrome
WCDK13-related disorder
WCHARGE syndrome
WCostello syndrome
WDown syndrome
WEdwards syndrome
WEisenmenger's syndrome
WEllis–van Creveld syndrome
WHeyde's syndrome
WHolt–Oram syndrome
WHypoplastic left heart syndrome
WJacobsen syndrome
WJervell and Lange-Nielsen syndrome
WKabuki syndrome
WLong QT syndrome
WLutembacher's syndrome
WMarden–Walker syndrome
WMarfan syndrome
WMcKusick–Kaufman syndrome
WMcLeod syndrome
WMowat–Wilson syndrome
WMyhre syndrome
WNoonan syndrome
WNoonan syndrome with multiple lentigines
WOkamoto syndrome
WOrtner's syndrome
WPatau syndrome
WPre-excitation syndrome
WRomano–Ward syndrome
WScimitar syndrome
WShort QT syndrome
WSick sinus syndrome
WStrømme syndrome
WTownes–Brocks syndrome
WTriploid syndrome
WTurner syndrome
WVACTERL association
WVaginal anomalies
WWellens' syndrome
WWilliams syndrome
WWolff–Parkinson–White syndrome
WZunich–Kaye syndrome