I’m a generally healthy 60-year-old man. Last week, I had some abdominal cramping, and while I was on the toilet, I noted the ...

There are many case reports of AFib starting at a time of high stimulation of the parasympathetic nervous system, as is seen ...

There are many case reports of AFib starting at a time of high stimulation of the parasympathetic nervous system.

I’m a generally healthy 60-year-old man. Last week, I had some abdominal cramping, and while I was on the toilet, I noted the abrupt onset of a strange feeling in my chest as well as abnormal, ...

Objective Our objective was to evaluate the effects of long-term reduced training on the left atrium (LA) in elite endurance ...