Cervical condition can cause the muscles in the arm to become tense, and that tension could lead to pain. Although muscle tension, sometimes the result of the cervical disc condition or termed as cervical spondylosis is the most likely source of arm pain.
It need not have to always be always the heart. Pain in the left hand can be a reason for your neck condition, it’s important to get a full assessment before you conclude it.
Pain In Your Left Hand