‘Himalayan P waves’ in ECG is characteristic of:
12 – lead ECG

Rarely normal
Abnormal P waves consistent with right atrial enlargement – ‘Himalaya P waves”.
RBBB in 75-92%
PR prolongation is common due to RA enlargment
Ventricular pre-excitation 10-30%
Atrial septal defect
Eisenmenger syndrome
Tetralogy of Fallot
Ebstein’s anomaly