Annotated Ventilator Image Gallery
Real ventilator screens from real patients — each case annotated to illustrate a clinically-oriented teaching point.
38 cases · 74 annotated screens · Free
Ventilator mode
Phenomenon
Related module
Other
Patient–Ventilator Interactions
Trigger and cycle dyssynchronies, double triggering, and work shifting.
🖼 2Effects of Respiratory Effort on Waveforms
🖼 3Early Trigger and Troubleshooting Options
🖼 4Additional Case of Early Trigger Highlighting the Principles of Treatment of this Dyssynchrony
🖼 2Early Trigger Leading to Double Triggering – Stacked Tidal Volumes and Target Variable
🖼 2Consequences of Double Triggering in VC
🖼 2False Trigger Due to Fluid Build up in the Ventilator Circuit
🖼 1False Trigger from Patient-Ventilator Disconnection
🖼 1False Trigger Confirmed by Esophageal Pressure Monitor
🖼 2Discerning True versus False Trigger
🖼 2Failed or Ineffective Trigger in a Patient with Neuromuscular Weakness
🖼 1Failed or Ineffective Trigger in a Patient with COPD
🖼 1Failed Trigger in Patient with Esophageal Pressure Monitor
🖼 2Work Shifting
🖼 1Work Shifting on Autoflow
🖼 1Work Shifting on Autoflow: Comparison Against Pressure Support
🖼 1Work Shifting on PRVC (same as APV)
🖼 2Impact of Sedation on Work Shifting
🖼 5Troubleshooting Increased Work of Breathing Seen with Modes Using an Adaptive Targeting Scheme
🖼 3Tidal Volumes Higher Than Desired on APV Cannot Be Fixed Simply By Transitioning to VC
🖼 3Flow Dyssynchrony/Work Shifting in VC Square Flow with Troubleshooting
🖼 3Flow Dyssynchrony/Work Shifting in VC Descending Ramp Flow with Troubleshooting
🖼 1Early cycle in VC
🖼 1Early cycle in Pressure Support
🖼 3Early Cycle in Pressure Support 2
🖼 1Late Cycle in APV
🖼 2Late and Early Cycle in APV
🖼 4Late Cycle in Pressure Support
🖼 1Illustration of Adaptive Targeting Scheme on APV
🖼 2Early trigger on ASV and how to fix it without changing the mode
Respiratory System Mechanics
Compliance, auto-PEEP, resistance, leaks, and reading mechanics off the waveform.
Adaptive Targeting Schemes (APV, Autoflow, PRVC, VC+…)
How APV, Autoflow, PRVC, VC+, and Volume Support behave — and how to avoid pitfalls.
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Useful terminology
- APV
- Adaptive Pressure Ventilation — a pressure-limited mode where the applied pressure is controlled by the ventilator to deliver a target tidal volume set by the provider. Also known as Autoflow, VC+, and PRVC.
- Volume Support
- Pressure support with an adaptive targeting scheme — the ventilator titrates the pressure given above PEEP during inspiration to deliver a target volume set by the user.