Hello - I recently, have been experiencing pain in the back of my neck and have had a lump on the side of it for over 19 years, however, today, it has become very hard to swallow and my left arm which, I think I tore a router cup maybe seems to be getting worst. Do you think any of these symptoms are related? I am 62 years of age. And further, found out my heart rate is 59bps...low?