the blood
Blood is a fluid in the body that is of great importance. The blood acts to transport oxygen and food that supplies the body with energy. It also carries harmful waste and carbon dioxide from cells through the body’s various organs. Blood also contains white blood cells that produce objects Which protects the body’s water balance. In other words, there is no excess water in the body and no decrease is allowed. It regulates body temperature in an appropriate way. Many diseases can be detected by a blood test.
Draw blood
Blood withdrawal is the insertion of the needle into the vein or capillaries, and the withdrawal of a small amount of blood – sample – for the purpose of a blood analysis or examination to know what the patient complains.
How to draw blood
Blood is withdrawn according to the doctor’s orders. There are many methods used to examine the blood.
Intravenous blood withdrawal
In which the patient is first prepared for the examination and calmed down because the fear increases the number of white blood cells and therefore does not give accurate indications, and then ask the patient to sit on the seat prepared for the examination so that it is comfortable and sits patient straight without reclining or Milan, and is reassured by the ease and speed, The quality of the syringe and make sure it is closed and not used before and it is empty from the air and make sure to use the size and the appropriate type and these things all help in the speed of completion of the order successfully, and then the arm is tied rubber band above the elbow away from the place of clouds from 4-3 inches, Serious discomfort of the esophagus And to avoid breaking the blood cells so as not to exceed the duration of the link minutes, and then the location of the vein is properly and should not ask the patient to catch and stretch the arm because it causes high levels of calcium and potassium and give incorrect readings, and then determine the location of the vein completely by touch is tubular shape And then touch the syringe quietly and the suction is up or at an angle of 15 degrees, when we notice the blood in the needle begin to draw blood slowly with tightening the skin, we get out of the vein quickly and carefully and then put the cotton size 2 × 2 Inch on the pull place and the arm is thumbs and not tested Blood stickers directly because it will slow heal the wound process.
Pull the peripheral blood
Where the blood is drawn from the capillaries located in the earlobe, the tip of the finger or the foot of the newborn. The blood is drawn by sterilizing the area of the cloud and then using a sterile syringe. You must leave the first point of blood and take the other point, By special automatic pipettes.