The only other option is electrical instability.
Which is why I said assume.
What would cause the heart to stop? Let's assume it wasn't huMan error. I didn't nick an artery, it just stopped.
What would cause the heart to stop? Let's assume it wasn't huMan error. I didn't nick an artery, it just stopped. [SEP] Which is why I said assume. [SEP] The only other option is electrical instability.