TY - JOUR T1 - Unroofed coronary sinus JF - Heart JO - Heart SP - 278 LP - 278 DO - 10.1136/heart.87.3.278-a VL - 87 IS - 3 AU - S Nakatani AU - K Katsuki AU - K Miyatake Y1 - 2002/03/01 UR - http://heart.bmj.com/content/87/3/278.2.abstract N2 - A 47 year old woman was admitted to our hospital because of worsening shortness of breath on exertion which had initially occurred about 10 years previously. Transthoracic echocardiography showed the dilated coronary sinus protruding into the left atrium (below left, LA, left atrium; … ER -