![]() ![]() problems affecting your metabolism (the chemical reactions used by the body to break down food into energy), such as diabetes, kidney failure or persistent vomiting.problems with your respiratory system, such as pneumonia or chronic obstructive pulmonary disease (COPD).It's likely to be painful and is only carried out in hospital.Ī blood gas test is used to check the balance of oxygen and carbon dioxide in your blood, and the balance of acid and alkali in your blood (the pH balance). Read more about blood cultures on Lab Tests Online UK Blood gases testĪ blood gases sample is taken from an artery, usually at the wrist. This can help show whether any bacteria are present in your blood. The samples are combined with nutrients designed to encourage the growth of bacteria. This involves taking a small sample of blood from a vein in your arm and from 1 or more other parts of your body. You may be asked not to eat for 12 hours before the test (which usually includes when you're asleep) to ensure that all food is completely digested and won't affect the result, although this isn't always necessary.įind out more about getting tested for high cholesterol and read about cholesterol tests on Lab Tests Online UK. Having a high level of cholesterol can contribute to an increased risk of serious problems such as heart attacks and strokes.īlood cholesterol levels can be measured with a simple blood test. Blood cholesterol testĬholesterol is a fatty substance mostly created by the liver from the fatty foods in your diet and is vital for the normal functioning of the body. ![]() This page describes some common blood tests.įor more information about a wider range of tests, search the blood test A-Z index on Lab Tests Online UK. Blood tests can be used in a number of ways, such as helping to diagnose a condition, assessing the health of certain organs or screening for some genetic conditions. ![]()
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