Hypotonic solution
A solution that contains fewer dissolved particles (such as salt and other electrolytes) than is found in normal cells and blood. Hypotonic solutions are commonly used to give fluids intravenously to hospitalized patients in order to treat or avoid dehydration.
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- Hypoventilation
The state in which a reduced amount of air enters the alveoli in the lungs, resulting in decreased levels of oxygen and increased levels of carbon dioxide in the blood. Hypoventilation can be due to breathing that is too shallow (hypopnea) or too slow (bradypnea), or to diminished lung function. The opposite of hypoventilation is […]
- Hypovolemia
Abnormal decrease in the volume of blood plasma. Hypovolemia occurs with dehydration or bleeding.
- Hypovolemic
Referring to hypovolemia, an abnormal decrease in blood volume. As, for example, hypovolemic shock.
- Hypovolemic shock
Shock due to a decrease in blood volume from bleeding, loss of blood plasma through severe burns, or dehydration. Symptoms include dizziness and loss of consciousness. This is the most frequent cause of shock. The primary treatment for hypovolemic shock is prompt intravenous administration of fluid and blood transfusion if necessary.
- Hypoxia
A lower-than-normal concentration of oxygen in arterial blood, as opposed to anoxia, a complete lack of blood oxygen. Hypoxia will occur with any interruption of normal respiration.