The goal with clubbing is to take a good medical history to determine what is causing the fingers to club. A doctor may perform diagnostic testing, including x-rays or a CT scan. If they suspect a heart condition, an electrocardiogram test can help assess heart function. In the case of lesions, the doctor may remove a small section in order to biopsy the tissue and test for abnormalities or cancer cells. The goal is to treat the underlying condition causing decreased oxygen delivery to the fingers.

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