Lovibond’s angle

Lovibond’s angle
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What is Lovibond’s angle?

It refers to the angle between the base of the nail and the nail itself. In healthy individuals, this angle equals to or is less than 165°.

It is also known as “Lovibond’s Profile Sign.”

Lovibond’s angle Location

As aforesaid, it is an angle and not a physical structure. It is only an angle between the nail plate and the adjacent skin fold when watched from the radial aspect.

Lovibond’s angle Function

The significance of this angle is only established in case of disorders like “Finger Clubbing.” If the angle is found to be greater than 180°, a clubbing of the fingers is suspected. In such cases, a Schamroth’s Window Test has to be conducted to confirm the disorder. Under normal circumstances, a diamond-shaped window is formed if two opposing fingers are positioned together. In case of clubbing, this window does not appear and there is widening of the distal angle created by the two nails. This is regarded as the “Schamroth’s Window Test.”

Pictures of Lovibond’s angle

Take a view of this angle with the aid of these assistive images.

Picture of Lovibond's angle

Picture 1 – Lovibond’s angle

Image of Lovibond's angle

Picture 2 – Lovibond’s angle Image

References:

http://en.wikipedia.org/wiki/Lovibond’s_angle

http://www.patient.co.uk/doctor/Clubbing.htm

http://archvermin.wikispaces.com/Lovibond+angle

 

Last modified on August 31st, 2017 at 11:52 am

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