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is it constant or does it come and go?
comes and gos infrequently
and lasts how long?
for about a minute or less...kinda weird
how large is the area involved?
i do have crohns (mild case) iam a ex smoker,,,,no high blood pressure,,25 pounds overweight but i do workout 2 times a week,,,area of sensation upper peck towards my arm in fact i feel the vibrating in my upper peck and my right arm..
Most common cause for something like this would be benign fasciculations. These are irregular involuntary tiny contractions of a muscle bundle. They are very common and affect just about everyone at one time or another. They typically occur on the arms, legs or face but can occur anywhere. They are associated with stress, fatigue and poor sleep, as well as caffeine use. They are almost always self-lmited, requiring no treatment.
They are slightly more common in those with autoimmune disorders (e.g. Chrons) and those that exercise a lot. They are very rarely associated with neuromuscular diseases.
wow,,,i have been drinking soda pop like crazy lately and have had little sleep of late due to my wifes snoring...looks like u pegged it bob..was a little nervous cuz iam 48 but no bad heart history in my family tree...no nothing....just this damn crohns ive had passed to me....thanks bob...ill cut back on my soda pop and drink water!!!
Sounds like a good move. See your doc if it doesn't go away within a couple months or if it worsens.