beside oneself. In a state of extreme agitation or excitement, as in She was beside herself when she found she'd lost her ring, or Peter was beside himself with joyâhe'd won the poetry award.
Symptoms & Signs. Pain in the arm can result from a number of factors. Abnormalities or injury of the skin, nerves, bones, joints, blood vessels, and soft tissues of the arm can all result in pain. Arm pain, depending on the location and cause, may be accompanied by numbness, redness, swelling, tenderness, or stiffness of the joints.
1 This pain can shoot down the arm, often causing the patient to mistake this sensation for a heart attack. 2  Heart Disease-Pain in the left arm can be a sign that you are developing the symptoms of heart disease. 3  This may include chest pain and excessive sweating.