WAcute cardiac unloading
WCardiac catheterization
WCardiac magnetic resonance imaging perfusion
WCardiac stress test
WCardioversion
WCath lab
WCatheter ablation
WCoronary catheterization
WDoppler echocardiography
WElectrocardiography
WExternal counterpulsation
WForward problem of electrocardiology
WHolter monitor
WMagnetocardiography
WPercutaneous coronary intervention
WPericardiocentesis
WPhonocardiogram
WReperfusion therapy
WVectorcardiography