|He had a transesophageal echocardiogram, in which a tube holding an ultrasound was placed down his esophagus to examine his heart.
Babec has had the procedure two times before. Each procedure lasts two to four hours.
According to zoo spokesman Ed Noles, the incurable disease may manifest into a cough, lethargy, poor appetite and fluid buildup.
DVM Newsmagazine Jul 21, 2004 www.dvmnewsmagazine.com/dvm/
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