sudden short painless feeling in upper shoulder and arms

during the last 4 months I went through 3  events  during day time in which suddenly I got a strange painless feeling that started in my upper torso into my neck into my upper shoulders and then into both of my arms . It Lasted for no more than twenty  scary seconds . and it went away with no evident effects. I have not experienced it again for the last 60 days .I am 67  years old male of good health . I have type 2 diabitis, Hepertension . Both are under total control with medications (Glucotrol XL 10 mg and Metformin 1000 mg 2 times daily, Also Benicar 10 mg and duriatic pill 25 mg ) I never dink nor smoke and I have no evident health problems . ( I am 5'10 and weigh 240 lbs )

[Dad65]

From Dad 65 : Can you please advise me for the causes of those sudden attacks that I have described three days ago in my message to your site . Thank You  

Dad 65
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[Carey01]

When you say odd feeling -- what do you mean?  Tingling, spasm, numbness -- please desribe.