I passed out suddenly and was out about one minute. Is this caused by a sudden pause in the heartbeat? If so, what should be done about it. I already am being treated medically for A-Fib by drugs, but never passed out before this.
Fainting can have a variety of causes. Since you have a known heart condition, I strongly suggest that you see your Cardiologist about this. It may be that your heart condition has worsened, or that your current treatment is no longer effective.
Your heart may not actually have paused though. Based on your history of A-Fib, it's more likely that your heart was beating too quickly. As a result, it was ineffective in pumping oxygenated blood to your brain.
Possible non-cardiac causes for fainting include epilepsy, anxiety, or vasovagal reflex.
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