General: Complications of Brugada syndrome occur from the abnormal activity of the heart. Complications may include fainting, seizures, breathing problems, nightmares, disruptive sleep, and sudden death. These problems often occur when a person is either sleeping or at rest.
Breathing problems: During an episode of ventricular arrhythmia, the individual may experience difficulty breathing.
Fainting: Fainting may occur during an episode of ventricular arrhythmia.
Seizures: An individual with Brugada syndrome may experience seizures as a result of the irregular heartbeats caused by ventricular arrhythmia.
Sudden death: Also caused by arrhythmias, sudden death often occurs when a person with Brugada syndrome is sleeping or at rest. The average age of sudden death caused by Brugada syndrome is 40, although it may occur from infancy into old age. Sudden death usually follows these episodes of ventricular arrhythmia unless the heart receives an immediate electrical shock from a defibrillator.
Other: Other symptoms that may be caused by arrhythmias in Brugada syndrome include nightmares, thrashing during sleep, and nerve problems. Improper function of the heart can cause decreased blood flow to the brain, ultimately resulting in brain damage.
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