Boozman is currently recovering at Mercy Hospital Northwest Arkansas and is "receiving excellent care," a source told the journal.
The senator was taken to the emergency room in an ambulance Tuesday morning. His office did not provide any immediate information as to the nature of the incident.
"Additional updates will be provided by his Senate office once more information is available. Please direct any questions to his official office and respect the family’s privacy at this time," said a news release from his office.
UPDATE: The senator's office sent out another statement Tuesday afternoon:
Boozman, 63, was taken to the hospital overnight after suffering from pain in his chest and arm. After running several tests doctors admitted Boozman and performed heart surgery today.
Doctors say he responded well to the surgery and are monitoring his recovery. Boozman’s family has visited with him and are hopeful for a full recovery. The family is appreciative of the thoughts and prayers from well-wishers.