Which oxygen delivery is recommended for a pregnant patient at 23 weeks with significant bleeding and signs of shock?

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Multiple Choice

Which oxygen delivery is recommended for a pregnant patient at 23 weeks with significant bleeding and signs of shock?

When a pregnant patient has significant bleeding with signs of shock, the immediate goal is to maximize oxygen delivery to both mother and fetus. High-concentration oxygen delivered quickly is the most effective way to do this. A non-rebreather mask at about 15 L/min provides the highest inspiratory oxygen concentration available in common prehospital care, approaching near 100% FiO2 when the mask seal is good and the reservoir bag stays inflated. This helps counteract the hypoxemia that accompanies shock and blood loss. In contrast, a nasal cannula at 2 L/min only supplies a relatively low FiO2 and may not meet the body's increased oxygen needs during shock. Nebulized oxygen does not reliably deliver high FiO2 in an emergent setting, and giving no oxygen would worsen tissue and fetal hypoxia. So the highest concentration of oxygen as rapidly as possible is the best approach in this scenario, while you arrange rapid transport and continue bleeding control.

When a pregnant patient has significant bleeding with signs of shock, the immediate goal is to maximize oxygen delivery to both mother and fetus. High-concentration oxygen delivered quickly is the most effective way to do this. A non-rebreather mask at about 15 L/min provides the highest inspiratory oxygen concentration available in common prehospital care, approaching near 100% FiO2 when the mask seal is good and the reservoir bag stays inflated. This helps counteract the hypoxemia that accompanies shock and blood loss.

In contrast, a nasal cannula at 2 L/min only supplies a relatively low FiO2 and may not meet the body's increased oxygen needs during shock. Nebulized oxygen does not reliably deliver high FiO2 in an emergent setting, and giving no oxygen would worsen tissue and fetal hypoxia. So the highest concentration of oxygen as rapidly as possible is the best approach in this scenario, while you arrange rapid transport and continue bleeding control.

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