History of body mass index (BMI) measurement The BMI calculation was created by a Belgian mathematician — not a doctor or health practitioner. In the 1830s, Lambert Adolphe Jacques Quetelet set out not to devise a test to quickly diagnose obesity (which was still years away from being widely perceived as a problem), but to […]
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10 high blood pressure myths In this article we will describe 10 blood pressure myths. Let’s start with the basics. Key Points Myth: Normal blood pressure is 130/80 (there is no normal value) Myth: You can ‘feel’ your BP (you cannot 99% of time; it’s a silent problem) Myth: BP goes up in pregnancy (it […]
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Is there one blood test that tests for everything? No, there is no single blood test that checks for everything. But these 5 blood tests (well, each is really a group of tests) are a good start. They are the ‘basic bloods’ that many doctors request at the start of an illness, especially when it […]
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What does blood pressure mean? Definition and Physiology Blood pressure (BP) is the force exerted by blood against the walls of arteries as it circulates throughout the body. It’s a vital sign that reflects the pressure in the arterial system. The cardiac cycle consists of systole (contraction) and diastole (relaxation). During systole, the heart contracts, […]
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What are normal liver function tests (LFTs)? What are liver function tests? Liver function tests (also called LFTs, or liver enzymes) are blood tests that can provide information about how your liver is working. Your liver is a large organ in your abdomen (tummy). It is the factory of the body (the kidneys are the […]
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What do your blood pressure numbers mean? What is blood pressure? Blood pressure is the pressure of blood pushing against the walls of your arteries. Arteries carry blood from your heart to other parts of your body. So. What do the two blood pressure numbers mean? Blood pressure is measured using two numbers: First number […]
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A normal CRP (C-reactive protein) level A normal level of C-reactive protein (CRP) in the blood in the UK is less than 5 mg/L. What is CRP? CRP is a protein made by the liver that indicates inflammation CRP levels rise within hours of tissue injury, infection, or inflammation CRP levels can be used to […]
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Why are blood tests done – and how can I book one? A blood test is a lab analysis of things that may be found in your blood. You may have blood tests to make a diagnosis, or keep track of how well your doctor (and you) are managing a condition, such as diabetes or […]
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What is a normal PSA level? Prostate cancer is the most important cause of a high prostate specific antigen (PSA). This is why the blood test is done. But there are many other causes. PSA is a protein produced by the prostate gland. So. What is a normal PSA level? Prostate specific antigen (PSA; men […]
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10 causes of a high PSA level Prostate cancer is the most important cause if a high prostate specific antigen (PSA). This is why the blood test is done. But there are many other causes, as outlined below. PSA is a protein produced by the prostate gland. What is a normal PSA level? Prostate specific […]
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