title: An irregular pulse in a skydiver.
abstract: A 29-year-old man was referred to a cardiologist after an irregular heartbeat was found on a preemployment physical examination. He had no cardiac or pulmonary symptoms.
authors.affiliation: Department of Preventive Medicine and Cardiac Rehabilitation, Georgia Baptist Medical Center, Atlanta, GA, 30312, USA.
authors.forename: J D
authors.initials: JD
authors.lastname: Cantwell