mucin clot test

mu·cin clot test

a test that reflects the polymerization of synovial fluid hyaluronate; a few drops of synovial fluid added to acetic acid form a clot; poor clot formation occurs in a variety of inflammatory conditions including septic arthritis, gouty arthritis, and rheumatoid arthritis.

Synonym(s): Ropes test

mucin clot test

Rope's test, string test Rheumatology A bedside test for evaluating synovial fluid–SF viscosity or 'quality' of the SF mucin clot, which reflects hyaluronidate polymerization; the further a drop of SF falls before separating–'stringing effect', the greater the viscosity, the more normal it is. Cf Spinnbarkeit, String test.

mucin clot test

A test of synovial fluid precipitation in acetic acid, formerly used to determine whether inflammatory arthritis was present in a joint. Other tests have replaced it, such as the cell count, cultures, Gram stain, and crystal examination.

mucin

a mucopolysaccharide or glycoprotein which is the chief constituent of mucus.

---

mucin clot test

the adding of acetic acid to normal synovial fluid, which causes clot formation. The compactness of the clot and the clarity of the supernatant fluid are the criteria on which the result is based.