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For patients suffering from bradycardia because of lack of oxygen during sleep apnea episodes, the CPAP (Continuous Positive Airway Pressure) machine can stop the episodes.Patients wear a mask hooked to a machine that supplies oxygen and opens the airways. The amount of oxygen supplied varies by the user's needs.
Bradycardia is caused by something that disrupts the normal electrical impulses controlling the rate of your heart's pumping action. Many things can cause or contribute to problems with your heart's electrical system, including: 1  Heart tissue damage related to aging. 2  Damage to heart tissues from heart disease or heart attack. 3  High blood pressure (hypertension). 4  Heart disorder present at birth (congenital heart defect).