Hi, and thanks for your medical question on eHealth's Ask a Doctor forum.
Shooting or aching pain that involves right arm and leg could be due to mainly two causes. One is have compression of the spinal nerves in the cervical spine region. This can happen due to overuse of computers, work involving straining of neck, canal stenosis, bone disease, spondylosis, poor posture etc.
The other is transient ischemic attacks or mini strokes wherein the blood supply to brain is temporarily cut off. The episodes last for a maximum of 24 hours and then resolve or a new symptom starts. To diagnose this you need a prompt evaluation (usually within 60 minutes) to identify the cause and determine appropriate therapy. CAT Scans/ MRIs done later or when you are fine may not reveal anything.
It could also be due to Vitamin B12 deficiency, underactive thyroid or diabetes but these usually cause more generalized symptoms.
Please do not ignore the symptoms and consult a doctor as soon as possible. Hope this helps. Take care!
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