NEW YORK (AP) — NBC News special correspondent Tom Brokaw has been discharged from a Charlotte, N.C., hospital and pronounced "in great health" after feeling light-headed during a TV appearance Thursday morning.

"After medical evaluation and a round of tests, Tom was pronounced in great health and has been discharged," NBC News President Steve Capus said in a statement released Thursday afternoon.

Capus expressed gratitude to the Carolinas Medical Center for Brokaw's excellent care.

Hours earlier, the network had reported that Brokaw felt "light-headed" on the set of the news-talk program "Morning Joe," which originated this week from Charlotte, where the Democratic National Convention is taking place.

"Out of an abundance of caution," the network said, Brokaw was taken to the hospital for examination.

At about 10 a.m., Brokaw offered his own diagnosis with this Twitter post: "All is well Early AM I mistakenly took a half dose of Ambien and made less sense than usual. Made a better comeback than Giants..." Ambien is a brand name for a sleep-inducer.

The 72-year-old Brokaw has been keeping a busy schedule of on-air appearances at the Republican National Convention in Tampa, Fla., last week and at the Democratic convention this week.

He has served as special correspondent for NBC News since stepping down as anchor of "Nightly News" in 2004.

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NBC is controlled by Comcast Corp.