UD has various meanings in the Medical category. Discover the full forms, definitions, and usage contexts of UD in Medical.
A position of the hand in which the wrist is bent toward the little finger. Ulnar deviation is a poor working position for the hand and causes nerve and tendon damage. It reduces the useful range of pronation and supination (q.v.) by approximately 50 percent, and work performed in ulnar deviation proceeds at low efficiency. Hand tool design should avoid ulnar deviation.
Medical"Unable to determine" (UTD) is a phrase commonly used in medical documentation to indicate that a definitive diagnosis or determination could not be made based on the available information or testing. It may be used in situations where further testing or evaluation is needed to make a diagnosis or when there is ambiguity or uncertainty surrounding a patient's condition.
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