History. Description of color changes; rarely induction and workup for underlying causes.
Examination + labs. We will look for clincial findings of the vascular changes - not only in th fingers, but toes andn other parts of the anatomy. The labs you will be tested for include + ANA by ifa and not any other technique, ANA subsets such as ds dna, ssa, ssb, smith, rnp, ribosomal protein, scl-70, centromere; blood counts, liver tests, kidney tests - blood and urine, protein studies, imaging; medications.