ANATOMY

Detailed explanation-1: -Minute ventilation is the tidal volume times the respiratory rate, usually, 500 mL × 12 breaths/min = 6000 mL/min.

Detailed explanation-2: -Minute ventilation = tidal volume x respiratory rate (normal is 4-6 L/min)

Detailed explanation-3: -Minute ventilation (or respiratory minute volume or minute volume) is the volume of gas inhaled (inhaled minute volume) or exhaled (exhaled minute volume) from a person’s lungs per minute. It is an important parameter in respiratory medicine due to its relationship with blood carbon dioxide levels.

Detailed explanation-4: -Ventilation rate is expressed as the volume of gas entering or leaving the lungs in a given amount of time. It can be calculated by multiplying the volume of gas, either inhaled or exhaled, during a breath (the tidal volume) by the breathing rate [e.g., 0.4 liter (or 0.4L) × 15 breaths/min = 6L/min].

Detailed explanation-5: -The average adult, when resting, inhales and exhales about 7 or 8 liters of air per minute. That totals about 11, 000 liters of air per day. Inhaled air is about 20-percent oxygen. Exhaled air is about 15-percent oxygen.