Can't say for sure without evaluation.
VascularArteriosclerosis of the extremities
Birthmarks - red
Dementia
Heart disease
Intravascular ultrasound
Mesenteric artery ischemia
Renovascular hypertension
Replantation of digits
Stroke
Tobacco and vascular disease
Vascular headaches and blood
clotBlood clots problems can be evaluated with an upper extremity ultrasound. Neurologic causes can be evaluated with nerve conduction studies or an EMG.
An orthopedist or physiatrist (rehabiliation MD) can evaluate the area to exclude musculoskeletal causes. Blood tests checking the creatine kinase level and calcium level can be considered to exclude metabolic imbalances.
These options can be discussed with your personal physician.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
www.kevinmd.com