Is NSAID Damage Reversible ?
Thanks for your query.
Your irregular heart beat was transient and now has normalised. Also your echo being very normal, I don't find evidence of damage to your heart.
As per as NSAID's induced damage is concerned, they generally cause hypertension and associated problems. As your already have hypertension and assume its under control, suggesting it also not much affected by NSAIDs.
Your transient irregularity is likely to be atrial fibrillation, which again is more likely to be related to hypertension. This needs to be monitored and if it reccurs treatment is entailed. I would strongly recommend you to refrain from using NSAIDs regularly; but don't see any reason for you to be worried about the cardiac damage.
Hope I have answered your query adequately. Should you have any other concerns, I will be glad to answer it.
Thanks again and regards
Dr Prabhakar C Koregol