What does the term "pressure-cycled" indicate in the context of ventilator modes?

What does the term "pressure-cycled" indicate in the context of ventilator modes?

• A. The breath delivery stops when a set volume is delivered
• B. The breath delivery stops when a set pressure is reached
• C. The ventilator increases pressure to maintain specific flow
• D. The ventilator cycles based on respiratory rate

Answer: (B)

The term "pressure-cycled" in the context of ventilator modes refers specifically to a mode of ventilation where the delivery of a breath is terminated once a preset pressure level is achieved. This means that the ventilator continuously applies pressure until it senses that the target pressure has been reached, at which point the breath is stopped. This can be particularly useful in certain clinical scenarios, such as when a patient has decreased lung compliance or other pulmonary issues. This approach ensures that the ventilated breath is effective in delivering air into the lungs, while also safeguarding against over-distention and maintaining patient comfort. The ability to control pressure is critical in managing patients with varying pulmonary mechanics, allowing for a more tailored ventilation strategy that aligns with their respiratory needs. In contrast, other concepts mentioned, such as stopping at a set volume, focus on volume-cycled modalities, while cycling based on respiratory rate does not directly indicate a pressure control mechanism.

The term "pressure-cycled" in the context of ventilator modes refers specifically to a mode of ventilation where the delivery of a breath is terminated once a preset pressure level is achieved. This means that the ventilator continuously applies pressure until it senses that the target pressure has been reached, at which point the breath is stopped. This can be particularly useful in certain clinical scenarios, such as when a patient has decreased lung compliance or other pulmonary issues.

This approach ensures that the ventilated breath is effective in delivering air into the lungs, while also safeguarding against over-distention and maintaining patient comfort. The ability to control pressure is critical in managing patients with varying pulmonary mechanics, allowing for a more tailored ventilation strategy that aligns with their respiratory needs.

In contrast, other concepts mentioned, such as stopping at a set volume, focus on volume-cycled modalities, while cycling based on respiratory rate does not directly indicate a pressure control mechanism.