Freshman Rep. Pete Olson (R-Texas) had a pacemaker implanted in his chest on Thursday after fainting in the House gym, but he is expected to make a full recovery, according to a statement by his physician.The lawmaker is “awake and joking with the hospital staff, and is anxious to get back to work,— according to the statement.Olson, 46, was taken to the George Washington University Hospital early this morning after fainting, an episode that doctors determined was caused by a slow heartbeat. Doctors gave Olson a dual-chamber pacemaker to continue to regulate his heartbeat.“The procedure went smoothly with no complications,— said Dr. Allen Solomon, cardiologist at the hospital. “This is a common, often asymptomatic, condition and we expect the Congressman to resume his active lifestyle.—Olson is planning to return home to Texas on Saturday to spend the weekend with his family and will return to Washington next week for scheduled legislative business.