question: Im having electric shock sensations down my inner left arm, originating from my left chest, ending at the outer two fingers of my left hand.These electric zaps happened since about 1 month, irregularily, but more frequently during the past week.Im caucasian, 51 years old, have no chest pain, but anxiety problems at times. im a smoker since 30 years. Please advise, should i consult a hearth specialist or not, and if so what tests shoud i undergo.thank you for your valuable advise,PeterThailand.