Joan Rivers may have seemed to be before his tragic death in excellent health, but really loved the comic suffered terrible heart disease.
In an appearance on Good Morning America in 1985, rivers, then 52, confessed host Joan Lunden had an irregular heartbeat.
"From time to time on stage Voom will listen!" She says in the video. "I go," Uh oh ... It scares the hell out of me. "
PHOTOS: A return of 10 video clips Funniest Joan Rivers
She admits that due to his condition will go nervously under anesthesia.
"If one is, for example, plastic surgery or something like that, if your heart can not go in sync," he explains. "So I'm always very careful."
Despite their vigilance undergo an operation, died at the age of 81 Rivers on Thursday, a week after she stopped breathing during a routine throat.
PHOTOS: tragic, mysterious and strange for words: 13 Bizarre death of Hollywood
As RadarOnline.com exclusively reported, physicians believe that the star may be from a lethal dose of propofol, a powerful anesthetic that killed died in 2009, Michael Jackson.
"Sure suspects anesthesia was the question on the basis of discussions between the staff and physicians of the city," said a source close to the investigation of radar source.
Rivers remember the funeral of the stars lined red carpet in New York on Sunday.
View confession Health actress clip below.