Definition: Hypoxia / hypoxemia is a condition in which there is an inadequate supply of oxygen in the blood. Hypoxia is caused by:
A reduction in partial pressure of oxygen
Inadequate oxygen transport
The inability of the tissues to use oxygen
There is a reduction in oxygen pressure in the lungs
Reduced gas exchange area
Lung disease
A reduction of hemoglobin in the blood
A reduction in the number of red blood cells
Hypoxic Hypoxia
Hypoxic Hypoxia is a reduction of oxygen entering the blood. This condition occurs when:
Hypemic Hypoxia
Hypemic hypoxia is a reduction in the capacity of the blood to carry oxygen. This condition is caused by:
This may be caused by blood donation, hemorrhage, or anemia.
This may be caused by drugs, chemicals, smoking, or carbon monoxide exposure.
Stagnant Hypoxia
Stagnant hypoxia is a deficiency in oxygen due to poor blood circulation. This condition occurs when a person sits or hangs, or is exposed to cold temperatures for prolonged periods of time.
Histotoxic Hypoxia
Histotoxic hypoxia is an inability of the tissues to use oxygen. This condition occurs during carbon monoxide or cyanide poisoning, or from the use of certain narcotics, chewing tobacco, and alcohol.Source: batnet.com
