Porphyrins in feces

Fecal examination, one of the clinical routine laboratory tests. Through this examination, we can more intuitively understand some pathological phenomena in the gastrointestinal tract, and indirectly determine the functional status of the digestive tract, pancreas, and liver and gallbladder. It is divided into general trait observation, microscopic examination and chemical examination. During the examination, the feces were placed in an acidic environment, and ethyl acetate was added and irradiated with ultraviolet rays. Record the content with "+". Basic Information Specialist classification: Digestive examination classification: feces / parasitic examination Applicable gender: whether men and women apply fasting: not fasting Tips: Specimens must be fresh and pay attention to insulation. Normal value The normal value is <45 nmol/g; the dry weight is 600-1800 nmol/d. Clinical significance Increase: 1 porphyria disease, leukemia, malnutrition, skin diseases and infections. 2 metal poisoning, such as lead. High results may be diseases: congenital light-sensitive porphyria in children, precautions for lead poisoning Requirements for inspection: The patient should take care to seal the sample during transportation and avoid contact with alkaline substances. Note before inspection: 1. The container should be clean and dry, free of any disinfectants and chemicals. 2, the specimen must be fresh, and pay attention to insulation. Inspection process The feces were placed in an acidic environment, and ethyl acetate was added and irradiated with ultraviolet rays. Record the content with "+". Not suitable for the crowd Feces routine, there is no inappropriate population. Adverse reactions and risks There are no related complications and hazards.