Transventricular illumination.
D000293:Adolescent; D000328:Adult; D001022:Aortic Valve Insufficiency / Q000175:diagnosis*; D002648:Child; D006322:Heart Aneurysm / Q000175:diagnosis*; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis*; D006352:Heart Ventricles; D006801:Humans; D014172:Transillumination / Q000295:instrumentation / Q000379:methods*