In which scenario would you likely use an Oxygen Blender?

An Oxygen Blender is a device used to mix air and oxygen in specific ratios to deliver a precise concentration of oxygen to patients, particularly those requiring respiratory support. In scenarios where patients are on mechanical ventilation, maintaining a consistent and accurate oxygen delivery is crucial for effective treatment.

During transport of patients requiring mechanical ventilation, the Oxygen Blender allows the healthcare provider to ensure that the patient receives the correct amount of oxygen, regardless of fluctuations in the environment or the patient's own respiratory effort. This precise control is essential for managing conditions such as chronic obstructive pulmonary disease (COPD) or respiratory failure, where oxygen levels must be carefully monitored and adjusted to prevent hypoxia and other complications.

In contrast, other scenarios listed do not typically require the use of an Oxygen Blender. Emergency defibrillation focuses on correcting life-threatening arrhythmias rather than managing oxygenation. Administering sedatives before surgery often involves intravenous medications and may not necessitate the use of an Oxygen Blender. Monitoring cardiac output is concerned with circulatory status and involves different assessment tools rather than oxygen delivery mechanisms.