LAS VEGAS (Update) -- Amy Tarkanian says her father-in-law, Jerry Tarkanian, is expected to stay in the hospital over the weekend so doctors can keep an eye on his lungs.
Doctors believe a partial lung collapse may have caused the former UNLV coach's recent heart troubles.
He will stay in the hospital to make sure he doesn't have phenomena or bronchitis. Jerry Tarkanian also suffers from sleep apnea
On Wednesday, a Las Vegas hospital spokeswoman said doctors kept Jerry Tarkanian overnight for observation after a mild heart attack.
Mountainview Hospital spokeswoman Amanda Powell said Tarkanian's status had not changed despite the change from plans to release him on Wednesday. She says he is still doing "very well."
Powell declined to give further details.
Son Danny Tarkanian says his father is in the hospital's intensive care unit.
Tarkanian's daughter, Jodie Diamant, told the Las Vegas Review-Journal her father started wheezing during a doctor's visit on Tuesday and was taken to the hospital. An EKG test showed he was having a heart attack.
Tarkanian coached the Runnin' Rebels for 19 seasons from 1973 through 1992, winning the school's first national championship in 1990.