20 year old male weighing 160 pounds with a respiratory rate of 12, tidal volume of 500 mL. What would his alveolar ventilation/minute be?
4080mL/min
What is the formula for Combined Gas law?
PV = nRT
If a patient's carbon dioxide production is normal and their PACO2 is 60mmHg, what would their alveolar ventilation be?
2.88 L
The ventilatory parameters for 68kg man with a respiratory rate of 20, tidal volume 480 mL, vital capacity 2.7L. What would his alveolar ventilation/min be in Liters?
6.6L/min
What is the formula for alveolar partial pressure of carbon dioxide (PACO2)?
PACO2 = VCO2 X 0.863 divided by VA(alveolar ventilation per minute)
If a patient's carbon dioxide production is normal and their PACO2 is 80mmHg, what would their alveolar ventilation be?
2.15 L
A 78 year old male with a history of COPD has a respiratory rate of 20 and tidal volume of 650mL. What would his minute volume be in Liters?
13L/minute
An H cylinder is half full (full = 2200) and the patient is receiving oxygen via nasal cannula at 3L/min. How long will the cylinder last in minutes? in hours?
1151 minutes. 19.18 hours
What is the formula for Charles law?
V1/T1 = V2/T2
What is the formula for alveolar ventilation per minute?
Alveolar ventilation/min = respiratory rate x alveolar ventilation (tidal volume - dead space volume)
