San Francisco 49ers coach Jim Harbaugh is doing well following a non-surgical procedure to deal with an irregular heartbeat, his brother John, the Ravens' coach, said Friday.

"He's feeling good," John Harbaugh said of his younger brother today. "He had a little procedure. He's had it before. I guess it's a little more advanced now [with] his heart rate and things like that. So, it should correct that. He's back at work today from what I understand."

According to San Francisco reporters, Jim Harbaugh is back at the 49ers' offices today and is expected to address reporters this afternoon. He was treated at Stanford Hospital in Palo Alto, Calif., after experiencing chest pains Wednesday.

The former Indianapolis Colts and Ravens quarterback was named the NFL Coach of the Year last season in his first season, leading the 49ers to the NFC championship game following a 13-3 regular season record.

Known for his animated intensity in all settings, Jim Harbaugh is regarded as resilient by his players.

"It's one of those things that, like coach Harbaugh always tells us, he's tougher than a $2 steak," 49ers linebacker Patrick Willis told San Francisco reporters "We know he's going to be all right."

awilson@baltsun.com

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