Definitions

1. noun

abnormally rapid or deep breathing, often a sign of a serious medical condition such as heart or lung disease.

“The patient’s doctor noticed signs of hyperpnea and immediately sent her to the emergency room for further examination.”

2. noun

a condition in which breathing is extremely rapid or deep, often a symptom of a medical condition, especially one affecting the lungs or heart.

“After a long run, Sarah experienced hyperpnea due to dehydration and needed to rest and rehydrate quickly.”