Joan Rivers' cardiac arrest may have been triggered by an unauthorized biopsy that the comedian's personal physician — who apparently took a selfie in the operating room — performed on Rivers' vocal cords, CNN reported Tuesday, citing unnamed sources close to the investigation.
The 81-year-old Rivers was at Yorkville Endoscopy clinic in Manhattan for a scheduled endoscopy by gastroenterologist Dr. Lawrence Cohen to diagnose her hoarse voice and sore throat. A source told CNN that after Cohen completed the procedure, which involves putting a camera down the throat, Rivers' personal physician — an unidentified ear, nose and throat specialist not certified by the clinic — stepped in to perform the vocal-cord biopsy, corroborating an earlier report by the Daily News.
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