In medical diagnosis Nixon's sign is an alternative to Castell's sign, useful in identifying splenomegaly.
Technique
The patient is first placed in the right lateral decubitus position. Percussion starts at the midpoint of the left costal margin and is continued upward perpendicular to the left costal margin. Normally, the level of dullness does not extend more than 8 cm above the costal margin and splenomegaly is diagnosed if the dullness extends beyond 8 cm.[1]
References
- ^ Grover SA; Barkun AN; Sackett DL (1993-11-10). "Does this patient have splenomegaly?". JAMA. 270 (18): 2218–2221. doi:10.1001/jama.1993.03510180088040. ISSN 0098-7484.
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This page was last edited on 6 May 2023, at 06:59