CPR Classes Sacramento
Respiration Facts In CPR Classes Sacramento
First aid includes the technique of CPR as a matter of course. First aid staff should also be educated about the medical science behind respiration. CPR (BLS Sacramento) is used to assist where the patient is physically unable to breathe but the biochemistry behind breathing is also relevant to CPR classes Sacramento and how the staff apply the first aid techniques.
The breathing or respiratory system is easy to analyze and understand. People inhale air during breathing, which then enters into the lungs through the nose and mouth. This mechanical breathing action is well known, even to the layperson.
But what is not so well known is the chemical process that takes place in the respiratory system. The tissue of the lungs itself also plays a role in respiration. The lung tissue absorbs oxygen and transfers it into the blood. In the blood, erythrocytes (red blood cells) absorb the oxygen and synthesize a compound which makes the oxygen possible to transfer throughout the body.
Red blood cells (scientific name: erythrocytes) include a chemical called hemoglobin. As its name suggests, hemoglobin contains iron. This iron combines with the oxygen to form oxygenated hemoglobin which then transports the oxygen in the blood through the circulatory system. The oxygen is released into the tissue that needs it when the oxide compound containing it is broken down.
This is why iron is so important in the human diet. Without iron, the red blood cells cannot be formed and oxygen cannot be transported in the blood. The oxygen supply to the tissue then becomes bad and the person is said to be suffering from poor circulation. People who experience dizziness or black out when they stand up might need more iron in their diet.
The presence of oxygen in the blood is easy to determine and this can be done by the naked eye. Oxygenated blood, or blood which contains oxygen, will appear as red. It even appears red when seen through the skin, in the arteries. Deoxygenated blood, or blood which has had its oxygen removed, appears as blue or purple. Once again, this is visible through the skin. It is possible to determine whether someone is suffering from a shortage of oxygen based on their appearance. Their lips will turn blue or purple.
The arteries transport oxygenated blood away from the heart. It arrives in the heart from the lungs, which then pumps it to the other parts of the body. Veins transport deoxygenated blood away from the tissues where the oxygen has been absorbed and used. Arteries are able to adjust their internal diameter because their walls contain muscle tissue. Veins do not have this ability and they are always the same diameter inside.
First aid staff should understand the science behind breathing so that they realize the importance of CPR in the rescue of patients who are not breathing properly or at all. They should also understand how breathing happens on a metabolic level so that they are better able to assist the patient.
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