What could cause a tight burning pain in my upper right arm that extends down to fingers?

Potential causes of tight burning pain in the upper right arm that extends down to the fingers include:

1. Thoracic outlet syndrome: A condition in which the blood vessels and nerves in the upper chest are compressed. This can cause pain, numbness, and tingling in the arm and hand.

2. Cervical radiculopathy: A condition in which a nerve root in the neck is irritated or compressed. This can cause pain, numbness, and tingling in the arm and hand.

3. Brachial plexus injury: An injury to the nerves that control the arm and hand. This can cause pain, numbness, and tingling in the arm and hand.

4. Rotator cuff injury: An injury to the muscles and tendons that connect the shoulder blade to the upper arm bone. This can cause pain, weakness, and stiffness in the shoulder and arm.

5. Bursitis: Inflammation of the bursa, a fluid-filled sac that cushions the joints. This can cause pain, swelling, and stiffness in the shoulder and arm.

6. Tendinitis: Inflammation of the tendons, the cords that connect the muscles to the bones. This can cause pain, swelling, and stiffness in the shoulder and arm.

7. Arthritis: A degenerative joint disease that causes inflammation, pain, and stiffness in the joints. This can affect the shoulder and arm.

8. Heart attack: A sudden blockage of blood flow to the heart. This can cause pain, pressure, or tightness in the chest, arms, neck, or back.