Tarkanian's son-in-law, Zafi Diamant, said Friday that the 83-year-old Tarkanian's condition was ''definitely stable,'' and that he was awake and talking at Valley Hospital.
Tarkanian was hospitalized Wednesday with weakness, breathing trouble and lethargy.
Diamant says more tests will determine Tarkanian's ailments.
Tarkanian attended the Final Four last weekend in Arlington, Texas.
As a coach, he took three schools to the NCAA tournament, but is best known for his UNLV teams that made four Final Four appearances and won it all in 1990.
Tarkanian won 784 games in his career, including 509 at UNLV.
He's an inductee of the Naismith Memorial Hall of Fame.