Diagnostic Tests - 2
Gastric analysis:
Achlorhydria
present
Absence
of hydrochloric acid in gastric fluid.
pH
of gastric fluid measured following stimulation with caffeine
Measures
ability of patient to absorb vitamin B12
Schilling
test:
Performed
in two stages.
Principle
of test:
A
small amount of absorbed oral dosage of B12 will be excreted in urine