What does hyperpnea mean?
Hyperpnea is a medical and physiological term for breathing that is deeper and usually faster than normal, resulting in increased movement of air into and out of the lungs. In clinical use, it may signal the body's effort to compensate for metabolic problems, lung disease, or inadequate oxygenation; it also occurs normally during exercise. The key distinction from tachypnea is depth: hyperpnea specifies deeper breathing, while tachypnea primarily means an increased respiratory rate and does not necessarily require increased tidal volume. Because the word is technical, it is most common in medicine, respiratory physiology, and sports science. It is useful for readers because rapid breathing can look deceptively similar across several conditions, and hyperpnea directs attention to both ventilation and depth rather than speed alone.
nounBreathing that is abnormally deep and usually faster than normal, resulting in increased ventilation.
- Excessive depth and rate of breathing, typically resulting in increased ventilation.
"The patient's hyperpnea became more pronounced as her oxygen saturation fell."
"Exercise caused a temporary shift from quiet breathing to hyperpnea, increasing her oxygen intake."
"The physiology textbook distinguishes hyperpnea, which increases ventilation, from tachypnea, which is defined primarily by rapid breathing."
The plural is uncommon; writers often use singular constructions such as “an episode of hyperpnea.”
"Several hyperpneas were recorded during the overnight study."
Fast breathing is not always hyperpnea: the crucial extra ingredient is depth.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does hyperpnea come from?
Hyperpnea belongs to modern medical vocabulary and was formed from Greek huper, meaning “over” or “excessive,” and pnoia, meaning “breathing.” The latter is related to Greek pnein, “to breathe,” and also underlies related medical terms such as apnea, dyspnea, and orthopnea. As a specialized scientific term, hyperpnea entered English in a form closely corresponding to its Greek components.
Related word forms
How hyperpnea is actually used
Hyperpnea is chiefly formal and technical, appearing in medicine, respiratory physiology, and sports science. It is not normally used informally as a general synonym for rapid or heavy breathing.
Easily confused with hyperpnea
Tachypnea is increased breathing rate, whereas hyperpnea specifically denotes increased depth, usually accompanied by a faster respiratory rate.