As an ailing Casey Kasem clung to life, his wife Jean may have clogged his feeding tube, triggering a potentially fatal 
medical emergency!

That’s one of the shocking “elder abuse” allegations being leveled against the former “Cheers” actress, The National ENQUIRER has learned.

The Los Angeles District Attorney’s Office is considering charging Jean, and private investigator Logan Clarke – working on behalf of Casey’s distraught daughter Kerri – confirmed to The ENQUIRER that the LAPD has turned over the case following an investigation.

The 82-year-old radio legend – former host of “American Top 40” and the voice of Shaggy in “Scooby-Doo” cartoons – had been battling debilitating Lewy body dementia, which has symptoms similar to both Parkinson’s and Alzheimer’s diseases.

Despite his frail condition, Jean removed him from a California nursing home and took him to stay with friends in Washington state.

Clarke called the road trip a “wild ride,” and said Jean’s decision to take Casey from the facility endangered his life and ultimately led to his death.

Clarke told The ENQUIRER: “We have statements – and so do the police – from nurses about Jean and the way she allegedly treated her husband. When Jean took Casey out (of the facility), she was told, ‘You cannot disconnect him from his feeding tube – if you do, he will die!’ The tube was surgically implanted in his stomach, so she took the feeding machine.

“They let her take it because it was the only thing that would keep Casey alive!”

Clarke claimed when Jean ran out of the proper food, she bought the liquid nutrition drink Ensure. “Allegedly, Ensure was poured into Casey’s feeding machine,” Clarke claimed. “It broke the machine and then Casey’s colostomy bag apparently began filling up with blood!”

Casey was eventually taken to a hospital in Gig Harbor, Wash., where he passed away on June 15, more than a month after Jean removed him from the California facility.

As The ENQUIRER has reported, a bitter family feud is raging as Casey’s decomposing corpse remains in a Norway funeral home. Jean, who retains legal rights over his remains, has not yet made burial plans.