Respiratory calculations
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| show | minute volume = respiratory rate x tidal volume
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| show | 6L/minute
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| show | 13L/minute
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| show | Alveolar ventilation/min = respiratory rate x alveolar ventilation (tidal volume - dead space volume)
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| show | 4080mL/min
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| A patient with a respiratory rate of 12, tidal volume of 500mL and weight is unknown. What would the alveolar ventilation per minute be? | show 🗑
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| 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? | show 🗑
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| What is a normal carbon dioxide production? | show 🗑
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| What is the formula for alveolar partial pressure of carbon dioxide (PACO2)? | show 🗑
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| show | 2.15 L
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| show | 2.88 L
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| What is the formula for dead space/tidal volume ratio? | show 🗑
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| What is the patient's VD/VT if their PaCO2 is 40 mm HG with a mixed expired CO2 of 28 mm Hg? | show 🗑
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| show | 0.45
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| What is the formula for Boyle's law? | show 🗑
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| What is the formula for Charles law? | show 🗑
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| show | PV = nRT
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| 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? | show 🗑
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| An E cylinder is at 1400psi and the flow rate is 2.5L/minute. How many minutes will the tank last? | show 🗑
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| show | 70 pack years
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