Fig. 2From: Reversible acute Fontan circulation failure secondary to retrogradely conducted junctional rhythm: clinical echocardiographic correlationEchocardiographic frame showing phasic inversion (a) and continuous (b) flow in the Fontan conduit during junctional rhythm and atrial paced rhythm, respectively (arrow). Pulse wave Doppler demonstrating inversion (c) and continuous (d) flow across the fenestration, during junctional and atrial paced rhythm, respectively. IVC: inferior vena cavaBack to article page