Starved of oxygen
If you've been feeling weak and tired lately you may think nothing of it, especially when you've been working hard or staying up all night. But there may be another reason for your body's lack of energy. Each time we breathe in, oxygen is ... [... more]
BBC |
Heart failure
Heart failure does not mean that your heart has stopped or that it is about to do so. Heart failure is when your heart cannot pump blood around your body efficiently. This means that your body's tissues do not get enough oxygen and nutrients to ... [... more]
NHS Direct |
Bone marrow donation
Bone marrow contains stem cells . Stem cells produce red blood cells that carry oxygen around the body, white blood cells that fight infection, and platelets that help stop bleeding. All these different blood cells are produced by the stem cells ... [... more]
NHS Direct |
Normosang
Human hemin is derived from human blood.Heme (haem) is needed by the body to produce haemoglobin (the red coloured material in blood which carries oxygen). Heme is produced by the body through a complex series of chemical reactions. Each stage is ... [... more]
Net Doctor |
Ferrograd C
Ferrograd C is an iron preparation containing ferrous sulphate and vitamin C. Iron plays a vital role in production of haemoglobin, the oxygen-transporting substance in red blood cells. This maintains an adequate oxygen supply to all parts of the ... [... more]
Net Doctor |
Heart failure
Heart failure is a disorder in which the heart loses its ability to pump blood efficiently throughout the body. The oxygen and nutrients in the blood provide the body with the energy it needs to operate efficiently. Heart failure may affect the ... [... more]
Net Doctor |
Stroke (cerebrovascular accident)
A stroke occurs when the blood supply to the brain is disturbed in some way. As a result, brain cells are starved of oxygen causing some cells to die and leaving other cells damaged. Most strokes occur when a blood clot blocks one of the arteries ... [... more]
Net Doctor |
Multi-infarct dementia
Multi-infarct dementia is a form of dementia caused by large numbers of small blood clots (emboli) in the brain that starve the brain cells of oxygen. This disease mainly affects elderly people with arteriosclerosis (hardening of the arteries). ... [... more]
Net Doctor |
What is heart disease?
Coronary heart disease (CHD) happens when your arteries become narrowed by atherosclerosis. This causes a restriction in the supply of blood and oxygen supply to the heart, particularly when you exert yourself and the demands of the heart muscle ... [... more]
BBC |
Altitude sickness
Reduced atmospheric pressure and oxygen levels cause altitude sickness A good holiday should leave us feeling refreshed and fighting fit - but being on top of the world can bring its problems. Altitude sickness is becoming a common problem as an ... [... more]
BBC |
Autologous transplant:
Bone marrow contains stem cells. Stem cells produce red blood cells that carry oxygen around the body, white blood cells that fight infection, and platelets that help stop bleeding. All of these blood cells are produced by the stem cells and ... [... more]
NHS Direct |
Fainting
We look at why some people faint, and when it should be a cause for concern. Fainting is a temporary loss of consciousness, where the person falls to the floor. It's sometimes called passing out. A faint occurs when insufficient amounts of oxygen ... [... more]
BBC |
