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Diagnosis. During the exam, a health care provider may ask you to open and close your hand, checking for areas of pain, smoothness of motion and evidence of locking.
Trigger Finger Diagnosis. There are no X-rays or lab tests to diagnose trigger finger. Your doctor will do a physical exam of your hand and fingers, and they’ll ask about your...
Trigger Finger. Trigger finger happens when tendons, or their protective sheath, around your fingers or thumb swell up or thicken. The swelling makes it hard for your affected digits to move smoothly. Severe cases can “freeze” your fingers in a flexed position. Treatments are available.
The good news is that trigger finger can be diagnosed by the history, symptoms, and a physical exam. It is rare to require other diagnostic testing. It is also helpful to know this problem has several very successful treatments.
Trigger finger causes pain, stiffness, and a sensation of locking or catching when you bend and straighten your finger. The condition is also known as “stenosing tenosynovitis.” The ring finger and thumb are most often affected by trigger finger.
Trigger Finger (trigger thumb when involving the thumb) is the inhibition of smooth tendon gliding due to mechanical impingement at the level of the A1 pulley that causes progressive pain, clicking, catching, and locking of the digit. Diagnosis is made by physical examination with presence of active triggering and tenderness at the A1 pulley.
Trigger finger (also called stenosing flexor tenosynovitis) is caused by a disparity in the size of the flexor tendons and the surrounding retinacular pulley system at the first annular (A1) pulley (figure 1) which overlies the metacarpophalangeal (MCP) joint (figure 2).
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