Non-rebreather Mask Flow Rate

The oxygen storage mask adds an oxygen storage balloon with a volume of 600~1000ml under the ordinary mask, so that when the storage balloon is properly filled, the oxygen concentration can reach more than 60%, but you need to pay attention to the oxygen flow rate at least 6L/min. To ensure that the exhaled air is flushed out. The one without a one-way valve between the mask and the air bag is a partial rebreathing mask; the one with a one-way valve is a non-rebreathing mask.

Repeat the breathing mask on the part where the sealant is good. When the oxygen flow is 6-10L/min, the inhaled oxygen concentration can reach 35%-60%. Due to the presence of the one-way valve of the non-rebreathing mask, it can be ensured that only oxygen directly enters the storage balloon during the expiration phase, while pure oxygen flows into the mask and the storage balloon during the inhalation phase.

The same problem is that when the patient's oxygen concentration needs to be further increased, if the patient has previously suffered from COPD, if he uses a partial re-breathing mask, he will face the risk of carbon dioxide retention.

The advantage of a non-repetitive breathing mask is that it increases the oxygen concentration of the patient, but it also has the risk of carbon dioxide retention, and the patient's breathing condition needs to be evaluated when using it.

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