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Beau's lines can also be a sign of zinc deficiency. [8] A researcher found Beau's lines in the fingernails of two of six divers following a deep saturation dive to a pressure equal to 305 metres (1,001 ft) of sea water, and in six of six divers following a similar dive to 335 metres (1,099 ft). [9] They have also been seen in Ötzi the Iceman.
Muehrcke's lines were described by American physician Robert C. Muehrcke (1921–2003) in 1956. In a study published in BMJ, he examined patients with known chronic hypoalbuminemia and healthy volunteers, finding that the appearance of multiple transverse white lines was a highly specific marker for low serum albumin (no subject with the sign had SA over 2.2 g/dL), was associated with severity ...
Koilonychia - spooning, or nails that grow upwards. Associated with iron-deficiency anaemia or vitamin B 12 deficiency. [citation needed] Pitting of the nails is associated with psoriasis. Beau's lines are horizontal ridges in the nail. Habit-tic deformity is a condition similar to Beau's Lines caused by long-term skin picking.
First, a crash course on what fingernail ridges even are: Vertical nail ridges (lines that run from your cuticle to the tip of your fingernail) are super-common, and are a normal sign of aging.
What it looks like: The most recognizable reaction on this list is the bullseye rash—a large, red, target-like rash that signals the early stages of Lyme disease from the bite of an infected ...
When the distal phalanges (bones nearest the fingertips) of corresponding fingers of opposite hands are directly opposed (place fingernails of same finger on opposite hands against each other, nail to nail), a small diamond-shaped "window" is normally apparent between the nailbeds. If this window is obliterated, the test is positive and ...
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Half and half nails (also known as "Lindsay's nails") show the proximal portion of the nail white and the distal half red, pink, or brown, with a sharp line of demarcation between the two halves. [ 1 ] : 785 The darker distal discoloration does not fade on pressure, [ 2 ] which differentiates Lindsay's nails from Terry's nails .