My spanish is very rusty, haven't used it for years and years, but here's how I translate it. Perhaps someone else is better at spanish.
Dear Dr. Siento occasionally and during the process of the digestion certain arrhythmias and breathlessness, also as a bubble that it exploits but I can't manage to identify if it's in the heart or in the stomach. For a short while now I have been enduring the symptoms of nervous colitis for stress where I feel strange symptoms of fear.
I appreciate comments and recommendations.