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The first 25 slides, exactly as they appear. The full deck has 45 content slides.
Anaesthesiology
Pollution in theatre and scavenging
Built from Al-Shaikh — Essentials of Equipment in Anaesthesia, Critical Care and Peri-operative Medicine, 6e
What’s inside
6 sections · 45 slides
Overview
- What This Topic Covers
Pollution in the Operating Theatre
The problem, the safe limits and how to reduce exposure
- What Do We Mean by Theatre Pollution?
- Does Trace Exposure Actually Harm Staff?
- Setting Safe Limits: the UK Approach
- UK Maximum Accepted Concentrations (8-hour TWA)
- Limits Differ From Country to Country
- What Causes the Pollution?
- Six Ways to Reduce Theatre Pollution
- Monitoring and Maintenance Are Mandatory
- The Environmental Angle
- Thumbs-Up Key-Points Marker
- Pollution: Key Points
Anaesthetic Gas Scavenging Systems
Capturing waste gas at its source and carrying it safely away
- What Scavenging Is and Why It Matters
- What Makes a Scavenging System 'Ideal'?
- The Three Building Blocks of Any System
The Passive Scavenging System
Simple, cheap, driven by the patient's own breath
- Layout of a Passive Scavenging System
- Passive System: the Idea
- Passive System: the Three Components
- The 30-mm Safety Connector at the APL Valve
- Why the Relief Valves Are Vital
- Passive System: Problems and Safeguards
The Active Scavenging System
A powered vacuum copes with the wide, changing flow of exhaled gas
- Layout of an Active Scavenging System
- Active System: Why Add Power?
- Active System: the Components
- The Receiving System and How It Works
- How the Open Reservoir Protects the Patient
- AGSS Vacuum Pumps on the Disposal Side
- Active System: Safety Rules and Standards
- Anaesthetic Gas Scavenging Pressure-Relief Valve
- Passive vs Active at a Glance
- Scavenging by the Numbers
Charcoal Canisters and Gas Capture
Portable absorption and modern recycling of volatile agents
- The Charcoal Canister (Cardiff Aldasorber)
- Charcoal Canister: the Cardiff Aldasorber
- Charcoal Canister: the Catches
- Contrafluran Anaesthetic Gas Capture System
- How does a scavenging system protect the patient from both excessive positive and negative pressure?
- Bringing It Together
- References
- Essentials of Equipment in Anaesthesia, Critical Care, and Perioperative Medicine