Joan Rivers ' death `` resulted from a predictable complication of medical therapy , '' report says . It was `` during laryngoscopy and ... endoscopy with propofol sedation '' that the comedian suffered her fatal stroke on July 11, 2009 at age 61. Several clinic workers told investigators that the August 28 appointment began with Rivers ' personal throat doctor , Dr. Gwen Korovin , performing a laryngoscopy , which involves using a device to view a patient 's vocal folds , a source close to the investigation told CNN last month . Rivers , 81 , died a week after an appointment at Yorkville Endoscopy clinic .
Joan Rivers ' death `` resulted from a predictable complication of medical therapy , '' report says . It was `` during laryngoscopy and ... endoscopy with propofol sedation '' that the comedian suffered her fatal stroke on July 11, 2009 at age 61. Rivers , 81 , died a week after an appointment at Yorkville Endoscopy clinic .