I get heart palpitations from time to time and also get pins and needles in my arms and hands im only 22 what could this be?

Probably not serious: Although these symptoms may be due to real disease processes, the constellation of these associated symptoms in a 22 year old raise the spectre of hyperventilation syndrome, a benign situation with the rapid heart rate and tingling due to the physiologic and biochemical changes in the body induced by Adrenalin and elevation of the pH by overbreathing. To be safe, talk to your doctor.

Hyperventilation?: Heart palpitations are common, and often benign. The tingling in your arms and hands may be a result of hyperventilation from anxiety. I would recommend you see your doctor for a checkup.