Hit while deep sea fishing

I was deep sea fishing out in Matagorda, TX, in 2004. We were close to a rig when suddenly a storm came up. Lightening hit the rig and traveled thru the water and up part of my left arm. My husband and others on boat said I lit up. I looked back at my husband cause I thought I would die. I now have an electrical problem in the left part of heart as the outcome.