The technique of taking blood in young children
Children And Health / / May 04, 2016
Blood sampling in infants presents great difficulties associated with increased blood viscosity and small caliber peripheral vessels.Venipuncture without preparation fence provides a child a small amount of blood (no more than 1-2 ml).
Below is a way of preparing children during the first two years of life to blood collection.This method provides the necessary quantity of blood sampling for the research not related to the study of the physical properties of the blood (viscosity) and hemodynamic parameters.
morning for 2-3 minutes until venipuncture child give 10-15 g of food (bun or bread, milk or breast milk mixture), and 25-60 ml of fluid (hot tea), depending on the age (25-50 ml to1 year, 50-60 ml of 1 year to 2 years old) and the child's wishes.This amount of food and liquid do not significantly affect the volume of circulating blood and its chemical composition.
needle for venipuncture must be flushed with heparin.In young children often punctured rear subcutaneous veins of the hands.Brush bab
physiologic rationale for the described method to prepare the child for blood collection are the works of a number of clinical and pathophysiology, proved the close functional relationship between the digestive and cardiovascular systems.Unsharp marked increase in blood pressure, an increase in stroke volume and cardiac output, pulse wave velocity through the vessels, a slight acceleration of the heart rate and decreased peripheral resistance in healthy subjects and patients with diseases of the stomach and the heart in response to food intake.Blood sampling capabilities sufficient, apparently, also contributes to an increase in blood supply to the hands.
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described a method of preparing a young child for blood collection is simple,It eliminates the need for repeated, traumatic psyche venepuncture children.
06 Jun, 2016
06 Jun, 2016