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Blood Test Results Explained



When you are told that you need a blood test taken then it is good to know what’s involved who is taking the blood and what you are being tested for. If your doctor has ordered any blood tests which you don’t understand ask them to explain and what the implications are for your treatment. Also ask them when the results will be due as often a tremendous amount of anxiety can be relieved if you know that all the results came back negative. Often the doctor will say that if you don’t hear from us then it is good news all the results are fine – BUT – you are still left with well what’s wrong with me then? When you have your blood test results explained it can be a huge relief as often people worry about them thinking that there is something seriously wrong. Often that is not the case at all – they can be used to exclude diseases and disorders and to help the doctor with a more accurate diagnosis. Who Takes My Blood Sample? In some surgeries the doctor or nurse may take the blood sample, alternatively you may be given an appointment to go to your local hospital to the Haematology (blood) department. A trained phlebotomist.-(a specialised clinical support worker) will take a small sample of your blood usually from a vein near the inside of your elbow if that is not possible they may take blood from the wrist. This is because there are veins which run relatively close to the skin surface making them more easily accessible. If it is your child who is having a blood sample taken it is very likely that a local anaesthetic, usually a cream will be put on the back of your child’s hand for a period of time and covered. This will make the area numb so your child will feel poking and prodding but the needle will not feel sharp. This should help to reduce the anxiety that your child might be feeling. The more relaxed you can be about it will help your child hugely as they will worry more if you are. What is Blood made of?   Blood is made up of two main elements:

  • The fluid –This is called Plasma. This fluid is primarily made up of water and supplies all the nutrients, proteins and hormones your body requires to remain healthy.
  • Cells–there are three kinds of cells that circulate constantly around your body
  • Red blood cells- deliver oxygen around the body – your whole body is a network of veins arteries and capillaries, which carries oxygen from your lungs around your body and exchanges it for carbon dioxide which they dispose of.
  • White blood cells- leukocytes –These make up part of your bodies defence system  also known as your immune system they defend against infection
  • Platelets- These are the cells which form blood clots if you cut yourself

Blood Test Results  Explained:Blood will be taken for a variety of reasons

  • To see if there is any damage to any of the organs in your body
  • To see if you have an infection
  • To see if you have diabetes
  • To check your thyroid is working correctly
  • To measure levels of a variety of different chemicals, like enzymes electrolytes or oxygen and carbon dioxide in your blood
  • To check your blood gas levels – imbalances can be indicators of possible respiratory (breathing) or metabolic (energy processes) problems
  • To check your blood group type
  • Genetic/DNA testing which tells you if you have inherited a condition or if there is a gene mutation which may cause a condition or syndrome
  • To check your cholesterol levels are within the normal healthy range
  • To check that your liver is functioning properly if it not it will produce enzymes which can be detected

See Also: Blood Test Procedures Blood Test Abbreviations Blood Test for Cancer Blood Test for Pregnancy Sponsored by: Hospital Help

 


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