 [ Symptoms ] can pacemaker lead cause a chest muscle twitch i have a st jude pacemaker and lift weights i just started getting a muscle twitch in my left pectorail muscle it is very random and it does not seem to affect my heart rate is this common or should i have it checked [ Disease ] it is next to impossible to offer you a blind diagnosis based solely on your description while the first thing that comes to my mind would be condyloma lesions it may take a tiny skin biopsy to get the correct diagnosis if your doctor does not have a clue then you need to see a gynecologist or dermatologist for a higher level evaluation getting the correct diagnosis is the key to an effective treatment hi seeing as your own doctor has no idea try going to an stdgum clinic just to see what they say it could be this is there field of expertise even if its not an std they should know hope this helps you good luck