Do you know about - Causes and Effects of Anoxia
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We had a good read. For the benefit of yourself. Be sure to read to the end. I want you to get good knowledge from Causes Chf.Obstruction to the air passages, for example in strangulation, smothering, pressure by haematoma, or any pressure from outside the womb.
Lung conditions which prevents the air sacs filling with air, such as pneumonia, where they are filled with exudate, pulmonary oedema, or a collapsed lung.
Damage to the respiratory centre in the brain, or to the nerves supplying the muscles of respiration. This may be caused by a stroke, head injuries, barbiturate or morphine overdose, electric shock, tetanus, and in babies prolonged labour or any brain damage around the time of birth.
Poor oxygenation of the blood. This occurs in chronic bronchitis with emphysema, and with congenital defects of the heart in children, because not enough blood reaches the lungs owing to the mechanical defect. It also occurs in carbon monoxide poisoning, because carbon monoxide combines with haemoglobin and prevents it from carrying oxygen, and at high altitudes if oxygen equipment is not carried.
Haemorrhage. Because of the loss of red blood cells, there is too little haemoglobin to carry enough oxygen. Severe anaemia may also cause anoxia for this reason.
There are many effects on the body that can be caused by anoxia. The brain is extremely sensitive to lack of oxygen. Sudden anoxia causes unconsciousness, and if the anoxia is complete and lasts more than two minutes, permanent brain damage can be caused, and if much longer, death.
Prolonged anoxia at the time of birth is a cause of mental handicap. More chronic anoxia, as in congestive heart failure causes mental confusion and irritability. A child with congenital heart disease who is anoxic has stunted growth and perhaps somewhat arrested mental development.
The kidneys are also damaged by anoxia. If the anoxia is acute, the patient may develop anuria and acute renal failure. If it is more chronic, there may be chronic renal failure.
The usual signs of anoxia is that the patient becomes blue, especially at the extremities and around the mouth. This is the main sign to look out for.
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