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Methods of obtaining blood

Methods of obtaining blood. Capillary or peripheral blood Venous blood. Capillary or peripheral blood. From tip of finger or lobe of the ear. Clean the site with an alcohol swab . Let the skin dried . Puncture is mad with disposable lancet. The second drop is used.

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Methods of obtaining blood

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  1. Methods of obtaining blood Capillary or peripheral blood Venous blood

  2. Capillary or peripheral blood • From tip of finger or lobe of the ear. • Clean the site with an alcohol swab . • Let the skin dried . • Puncture is mad with disposable lancet. • The second drop is used. • Sterile gauze applied with slight pressure.

  3. Venous blood collection: • From anti cubitalfosaa. • Rubber tourniquet is used . • Clean the site with an alcohol swab. • Let the skin dried . • Vain fixed with the finger . • Forearm supported with armrest. • Sterilized syringe and needle used . • Held the syringe between the thumb and the index finger . • Tip of the index finger on the hub of the needle • As guide.

  4. When the needle in the vein sudden reduction of resistant .appearance of blood in syringe.keep the needle fixed and pulling piston gently .the tounguetloosend and needle withdrawn.sterile gauze is applied and mild peusser applied .

  5. Anticoagulants: Mixture of ammonium and potassium oxalate precipitation of calcium oxalate (toxic so cannot be used for blood transfusion). trisodium citrate combines with calcium in the blood and gives an un-ionized calcium compound (can be used in blood transfusion). EDTA (ethylene diamine tetra acetic acid) Heparin

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