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

Left main coronary artery and right pulmonary vein compression by a large pulmonary artery aneurysm

V Decuypere, M Delcroix, W Budts

Pulmonary artery aneurysms are uncommon and may be associated with significant morbidity and mortality. The unique combination of left main coronary artery and upper right pulmonary vein compression by a large pulmonary artery aneurysm is reported. Furthermore, the aetiology, clinical manifestations, complications, diagnostic approach, and possible therapeutic interventions are briefly discussed.

(Heart 2004;90:e21) www.heartjnl.com/cgi/content/full/90/4/e21

Haemopericardium causing cardiac tamponade: a late complication of pectus excavatum repair

M J Barakat, J A Morgan

A 24 year old man presented to the emergency department with clinical signs of cardiac tamponade requiring emergency surgery. The cause was a sternal wire from a pectus excavatum repair two years previously that had fractured and migrated through the pericardium causing an epicardial injury and a haemopericardium.

(Heart 2004;90:e22) www.heartjnl.com/cgi/content/full/90/4/e22