A New York City clinic where comedian Joan Rivers suffered a fatal complication during a medical procedure made several errors, including failing to keep proper medication records and snapping cellphone photos of her while she was unconscious, state health investigators said on Monday. Rivers, who was 81, died on Sept 4. New York City’s medical examiner found she died of brain damage due to lack of oxygen after she stopped breathing during an endoscopy days earlier. A report released by the state Department of Health cited Yorkville Endoscopy for numerous deficiencies related to the case, although negligence is not alleged. The comedian’s death was classified as a therapeutic complication. Officials gave Yorkville Endoscopy until Jan 7 to correct deficiencies to avoid losing accreditation for the government’s Medicare programme.