UCLA senior echo cardiographer, Birjees Ali-Rizwi, right, performs a echocardiogram on beating heart transplant patient Andrea Ybarra during a heart biopsy at the Ronald Reagan UCLA Medical Center in Los Angeles. The transplant was part of a procedure where the donor heart is placed into a special box that feeds it blood and keeps it warm and beating outside the body.(AP Photo/Damian Dovarganes)
Read the article: Doctors test warm, beating hearts in transplant
