NBCnews.com: Thee feud that’s split Glen Campbell’s loved ones amid his decline from Alzheimer’s disease strikes a chord with other U.S. families as dementia diagnoses fuel similar money spats and jealousies, leaving lasting wounds, experts say.

Last week, two of the Rhinestone Cowboy’s eight children from a previous marriage took legal action against his fourth wife, Kim Campbell. They assert she has “secluded” the singer and prevented them from “participating” in the 78-year-old’s medical care.

A rift also arose inside the family of radio legend Casey Kasem. Last year, his children fought his wife and their daughter to take control of Kasem’s medical decisions while he was in the throes of dementia, before his June death.

“What you are seeing in the news about Casey Kasem and, now, Glen Campbell is a problem with many families,” said Diane Carbo, a nurse who works with the elderly.

“Nothing brings out the greed and conflict more than aging parents in need of care,” says Carbo, who founded Caregiver Relief. “In the present deflated economy, there are more and more clashes over parents’ finances. If these siblings do not agree on what is necessary, things get very ugly.”

Read the full piece here.