TY - JOUR T1 - Massive pericardial effusion in a hypothyroid child. JF - British Heart Journal JO - Heart SP - 231 LP - 232 DO - 10.1136/hrt.51.2.231 VL - 51 IS - 2 AU - L H Williams AU - R Jayatunga AU - O Scott Y1 - 1984/02/01 UR - http://heart.bmj.com/content/51/2/231.abstract N2 - A child with Down's syndrome and long standing severe hypothyroidism had a massive pericardial effusion without cardiac tamponade. The effusion completely resolved with medical treatment without pericardiocentesis. ER -