A patient is admitted to the emergency department.His minute volume is 9 LPM on admission but increases to 15 LPM as his dyspnea increases.Which oxygen delivery device would be best to administer 30% oxygen?
A) 30% Venturi
B) Nasal cannula at 2.5 LPM
C) Simple mask at 7 LPM
D) Non-rebreathing mask set to keep the reservoir full during inspiration

Question

Quizplus · Accepted Answer

A 30% Venturi is the best delivery device in this situation.If the device is adjusted for 30% oxygen,the entrainment ratio is 8:1.As long as the total flow from the device exceeds the patient's inspiratory demands the device will deliver 30% oxygen to the patient.

A Patient Is Admitted to the Emergency Department