Visible vein in left arm

I had a pacemaker placed almost a year ago. About 5 months after living with it, I noticed visible veins in my left bicep area. It went form my antecubital area to part way up my bicep. Now that vein is visible across my shoulder to the  middle of my chest. The vein is flat except for at my antecubital area where it is slightly palpable. I did start to work out with light weights maybe 6 months ago. My arm is not swollen, but sometimes feels "heavy." Might be my imagination? Is this anyhting to worry about? I have read that some have had clots. My Cardiologist said that they have never heard of this. 



by Bionic Beat - 2019-12-01 22:36:33

the feeling 'heavy' could be because muscle is heavier than flab?

I would not worry about it at all, our bodies are in a constant state of flux and it could have been just below the surface until you started with the weights or body changes.

Best wishes,


Bionic Beat

Good news

by Pacer2019 - 2019-12-01 22:43:49

is that vein visable in the bicep 💪 looks bad a** ! 

More information, please

by crustyg - 2019-12-02 05:08:00

Are these newly visible veins *only* visible on the side where the pacing leads were inserted into the vein?

If so, you should see your EP doc, and don't wait too long about it.  You *may* have a clot in the axillary vein and the newly visible surface veins are enlarging as they try to carry blood past the internal obstruction.

An ultrasound should put everyone's mind at rest...


by PacerRN - 2019-12-02 07:11:42

Yes, only viible in my left pacemaker arm. Thank you for the responses.. 

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