Shrinking red blood cells

Wrinkled red blood cells are a kind of red blood cell morphological changes caused by changes in external conditions. For example, when the red blood cells are washed with physiological saline, the pH value is high, causing a change in morphology, or the blood glass is stained with a small amount of oil, and the most severely shrinking cells are shaped like Ball red blood cells and lightly shrunken cells can restore the intrinsic disc shape. Red blood cells placed at 20 ° C overnight will also shrink, and such abnormalities are common in uremic patients. Basic Information Specialist classification: cardiovascular examination classification: blood examination Applicable gender: whether men and women apply fasting: fasting Analysis results: Below normal: Normal value: no Above normal: negative: The general prompt is normal. Positive: Common in uremia, acute lead poisoning, cancer and other diseases. Tips: Actively cooperate with the doctor during the examination. Normal value negative. Clinical significance Positive: uremia, acute lead poisoning, cancer. Positive results may be diseases: uremia, vascular reticuloma, pediatric moyamoya disease matters needing attention 1. If there is no preparation dilution, freshly prepared isotonic saline can also be used instead. 2. The difference between the two red blood cell counts during normal time should not exceed 5%, otherwise the liquid should be refilled. Inspection process Prepare the diluent for testing. Not suitable for the crowd 1. Patients who have taken contraceptives, thyroid hormones, steroid hormones, etc., may affect the results of the examination and prohibit patients who have recently taken the drug history. 2, special diseases: patients with hematopoietic function to reduce disease, such as leukemia, various anemia, myelodysplastic syndrome, etc., unless the examination is essential, try to draw less blood. Adverse reactions and risks 1, subcutaneous hemorrhage: due to pressing time less than 5 minutes or blood draw technology is not enough, etc. can cause subcutaneous bleeding. 2, discomfort: the puncture site may appear pain, swelling, tenderness, subcutaneous ecchymosis visible to the naked eye. 3, dizzy or fainting: in the blood draw, due to emotional overstress, fear, reflex caused by vagus nerve excitement, blood pressure decreased, etc. caused by insufficient blood supply to the brain caused by fainting or dizziness. 4. Risk of infection: If you use an unclean needle, you may be at risk of infection.