Patience Quote by Anonymous
““Cycle asynchrony is present when the ventilator inspiratory (Ti-vent) and expiratory times are different from that of the patient’s neural inspiratory (Ti-pt) and expiratory times. Double cycling in VCV suggests that the patient is still inspiring when the ventilator is turned off (Ti-pt>Ti-vent). Lengthening inspiratory time by adding an inspiratory pause or reducing flow may help, as might increasing VT. An end-inspiratory spike in the pressure-time waveform suggests that the patient is trying to exhale, while the ventilator is still pushing (Ti-pt < Ti-vent); increasing the set flow or reducing VT might alleviate this. The PCV may be helpful in this situation, but the inspiratory time is still constant and may not be comfortable. A trial of high-level PS might be attempted, although some new ventilators allow PCV to be flow cycled and to function like PS with a backup rate.””
About This Quote
Source Medical Lecture: Mechanical Ventilation Synchrony, 2023
Mismatched ventilator and patient breathing cycles cause double cycling and discomfort; adjusting timing, flow, or mode can improve synchrony.
In simple terms: Ventilator timing must match patient breathing.
Key Takeaway
Adjust ventilator settings for better patient comfort.
Themes
medicine
respiratory care
technology
Mood
analytical
clinical
Type
educational
technical
When to use this quote
- ICU patient management
- ventilator weaning
- respiratory therapy training
Key Concepts
ventilator synchrony
patient-ventilator interaction
clinical adjustments
Questions to Reflect On
- What monitoring helps detect asynchrony early?
- When is switching to PCV advisable?
A Different Perspective
Patient variability may limit standard adjustments.
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