Tachypnea
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Tachypnea (or "tachypnoea") (Greek: "rapid breathing") is characterized by rapid breathing and is not identical with hyperventilation - tachypnea may be necessary for a sufficient gas-exchange of the body, for example after exercise, in which case it is not hyperventilation. Tachypnea differs from hyperpnea in that tachypnea is rapid shallow breaths, while hyperpnea is rapid deep breaths. Tachypnea can also be a symptom of carbon monoxide poisoning in which oxygen delivery to the tissues and organs is blocked causing hypoxia and direct cellular injury.
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[edit] See also
Hyperventilation, deep or fast breathing Hyperpnea Hypoventilation, too shallow or too slow breathing Control of respiration
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