👉 Hemiarrhena is a term in the medical field used to describe the condition where blood flow from the left side of the body, which is called the femoral artery, is diverted to the right side of the body, causing a sensation of numbness and tingling in the arms. This condition can be caused by various factors such as carotid artery disease, cerebral arteriosclerosis, or certain conditions affecting the blood vessels in the brainstem.
