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Explain the difference between hypoxemia and hypoxia.

Explain the difference between hypoxemia and hypoxia.

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Answer #1

DIFFERENCE BETWEEN HYPOXEMIA AND HYPOXIA :

Hypoxemia is a condition in which the ventilation of the lungs becomes severely impaired causing breathlessness, leading to hypoxia, pulmonary hypertension and right - sided heart failure. As respiratory failure develops, arterial blood PO2 is reduced and is accompanied by a rise in arterial blood PCO2 (hypercapnia).

Whereas hypoxia is a condition in which the oxygen levels are low, oxyhaemoglobin breaks down, releasing oxygen. In the tissues, which constantly consume oxygen, oxygen levels are always low. This encourages oxyhaemoglobin to release its oxygen to the cells. In addition, the lower the tissue oxygen level, the more oxygen is released, meaning that as tissue oxygen demand rises, so does the supply to match it.

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