Figure 22 : SV-ASD DEFECT WITH RUPVs FOR P 6 PATIENT
(Image Credits, Figure 16 – 22 : Dr.Vishal V. Bhende)
ECG findings
Patients’ electrocardiographic patterns were interpreted as normal sinus
rhythm, low atrial rhythm, or junctional rhythm by two reviewers who
were unaware of the patients’ type of surgical repair. Criteria for
interpretation as low atrial rhythm included a change in the P-wave axis
or a significantly shortened PR interval.
Sinus node dysfunction was defined as persistent sinus bradycardia
(<50 bpm); ectopic atrial rhythm, junctional/nodal rhythm, or
a wandering atrial pacemaker (<60 bpm); or pauses of more than
3 seconds. It was also diagnosed on the basis of electrophysiological
evidence of sinus node dysfunction. New sinus node dysfunction was
defined as sinus node dysfunction that appeared postoperatively (present
at hospital dismissal or at a late follow-up) in cases in which sinus
rhythm had been present preoperatively.