Sometimes for no reason the muscles in my right arm start twitching for no reason I also have a heart murmur.

Not related. A murmur is a sound, not a disease. It can indicate there s something going on, or nothing. Have your doctor address this. The arm twitch is certainly not related.
Call your doctor. With symptoms this complex, you owe it to yourself to call your doctor to help you make sense out of them.

Related Questions

I have a heart murmur and today I got a pain out of nowhere on my left side on my breast some where in that area and I twitch. What is that? I'm scared

The vast majority. Of heart murmurs are innocent, meaning they are the sounds your heart makes when blood travels through it. It sounds like you are quite anxious. If you are worried, your doctor can check an EKG. . Read more...

Would hyperthyroidism be the reason someone has a heart murmur?

Hyperthyroid. Hyperthyroid state can cause increased heart rate and increased systemic blood flow. This state can cause noisy blood flow which is murmur. Read more...
Possibly . if the thyroid level is high enough to increase heart rate and contractility of the heart then you might have a flow murmur which should disappear if hyperthyroidism is treated. Read more...