Annotated Ventilator Image Gallery

Real ventilator screens from real patients — each case annotated to illustrate a clinically-oriented teaching point.

40 cases · 100+ annotated screens · Free

Patient–Ventilator Interactions

Trigger and cycle dyssynchronies, double triggering, and work shifting.

Early trigger on APV — and two ways to fix it

APVEarly trigger

⤢ before / after

False trigger from circuit fluid

VCFalse trigger

⤢ before / after

Failed trigger in neuromuscular weakness

PSVFailed trigger

⤢ before / after

Consequences of double triggering in VC

VCDouble triggering

Late cycle in pressure support — adjusting ETS

⤢ before / after

Work shifting on Autoflow

APVWork shifting

Respiratory System Mechanics

Compliance, auto-PEEP, resistance, leaks, and reading mechanics off the waveform.

Compliance and auto-PEEP

⤢ before / after

Effects of a kinked endotracheal tube

Stress index in volume control

Severely reduced compliance in pressure control

Adaptive Targeting Schemes (APV, Autoflow, PRVC, VC+…)

How APV, Autoflow, PRVC, VC+, and Volume Support behave — and how to avoid pitfalls.

Impact of leaks on peak pressure in APV

⤢ before / after

High pressure limit alarm in APV

Volume Support: variable pressures

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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.

Preview — work in progress