What is the normal adult respiratory rate?

The normal adult respiratory rate is 12 to 20 breaths per minute. This range reflects the average number of breaths taken by a healthy adult at rest, which is typically sufficient to meet the body's oxygen requirements without overexertion. A respiratory rate within this range indicates normal respiratory function, supporting effective ventilation and gas exchange.

The values below and above this range may indicate various physiological conditions. A respiratory rate slower than 12 breaths per minute may suggest bradypnea, while a rate faster than 20 breaths per minute may point to tachypnea, both of which could signify potential underlying health issues. Thus, understanding this standard is crucial for assessing a patient's respiratory status in both emergency and clinical settings.