Finger circumference can be measured and monitored in a number of clinical situations.
Conditions where finger circumference may be measured:
(1) acromegaly
(2) dactylitis (psoriatic arthritis, other)
(3) pre-eclampsia and eclampsia
(4) digital trauma
(5) snakebite or other envenomation
Methods of measurement:
(1) tape measure
(2) ring sizer
(3) tape with torque meter
If the circumference is being monitored then it is important to:
(1) select a most reliable method that is available
(2) use the same method each time
(3) measure the circumference at the same site of the phalanx