The follow electronic only articles are published in conjunction with this issue of Heart.

Altered dystrophin expression in the right atrium of a patient after fontan procedure with atrial flutter

C J McMahon, M Vatta, C D Fraser Jr, J A Towbin, A C Chang

Underlying mechanisms in the development of atrial flutter or intra-atrial re-entry tachycardia in patients with structural cardiac abnormalities remain poorly defined. The right atrial myocardium from two patients with congenital heart disease was evaluated, of whom one …