red blood cell rolling test

The red blood cell rolling test is to detect red blood cells, observe the spherical red blood cell rolling, estimate the approximate percentage of spherical red blood cells, and use it to screen hereditary spherocytosis (HS). Basic Information Specialist classification: cardiovascular examination classification: blood examination Applicable gender: whether men and women apply fasting: fasting Tips: Do not eat too greasy, high-protein foods the day before, and avoid heavy drinking. Normal value Rolling red blood cells are less than 0.20 (20%). Clinical significance Abnormal results rolling red blood cells greater than 0.20 (20%), abnormal increase in spherical red blood cells, can be seen in hereditary spherocytosis. This result is also likely to occur in erythrocyte membrane-deficient hemolytic anemia. People who need to be examined have anemia, jaundice and splenomegaly. Precautions Inappropriate crowd: None. Taboo before the test: Do not eat too greasy, high-protein foods the day before the test, to avoid heavy drinking. The alcohol content in the blood directly affects the test results. After 8 pm on the day before the medical examination, you should fast. Requirements for examination: When taking blood, you should relax your mind to avoid the contraction of blood vessels caused by fear and increase the difficulty of blood collection. Inspection process The peripheral blood mainly has ear lobe blood and fingertips to take blood. The baby can take blood from the heel. The earlobe has a lighter blood pressure, but the blood volume is less, especially those with smaller earlobes are more difficult to take blood. The blood pressure of the fingertips is more obvious, but the blood collection is more, especially for the blood routine test, the stable measurement results can be obtained. The skin should be cleaned before blood collection. Do not take blood immediately after entering the room in the cold outdoor winter. After the body is warm, especially the ear drops and hands should be warmed up. Do not use hot water to heat your hands before taking blood. Keep your fingers dry. If your fingertips have wounds, paronychia, redness or skin disease, avoid using this finger. Fingertip blood collection generally uses the ring finger, because the ring finger will not affect the daily function of the hand after piercing, of course, the middle finger or index finger can also be used, no special difference. When collecting blood in the ear, remove the earrings and other hanging ornaments on the earlobe. Do not hang up immediately after blood collection. After blood collection, apply sterile cotton blocks or other disinfecting hemostatic articles to pinch the needle and puncture the area. Do not touch the dirt. Do not wash your hands immediately. Not suitable for the crowd Hemophilia and diffuse intravascular coagulation. Adverse reactions and risks Infection: Do not touch the dirt after blood collection. Do not wash your hands immediately to avoid infection.

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