The doctor put him on a blood thinner and sent him home, still in A-Fib. Next was a sleep study. That proved he had sleep apnea. He will need a C-PAP machine. But the cardiologist had talked about putting in a pacemaker. Pacemaker for A-Fib? CPAP machine for sleep apnea? Or is it one or the other? What does one thing have to do with the other? Or is there no connection?