Over the past 10 months he has had six episodes where he loses conciousness for 5 to 15 seconds. Episodes happen usually while he is at rest, often in front of the TV. Episodes always follow a visual anomaly - flashing light in upper corner of one eye, 5 to 12 hours before he loses consciousness.

He is tall, slim and an avid hockey player (the goalie).

Episodes are happening more often. Neurologist ordered MRI but no rsults yet. Wondering if this is heart related rather than neurological