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The Basics of Mechanical Ventilation: Part 1
Goals of MV:
- Provide patient comfort
- Decrease WOB/Allow spontaneous breathing
- Adequate gas exchange (Oxygenation & Ventilation)
- Minimize Ventilator Induced Lung Injury
Oxygenation: Works by simple diffusion
- Fi02 (caution >60%)
- PEEP
- Inspiratory Time
Mean Airway Pressure
Ventilation: Convection: Works by convection
- Respiratory Rate
- Tidal Volume (limit to 4-8 mL/Kg PBW)
- Expiratory Time
Minute Ventilation = RR x Vt
Complications:
- Ventilator Induced Lung Injury: Volutrauma, Barotrauma, Atelectotrauma ,Biotrauma, 02 Toxicity
- Hemodynamic Consequences: Decreased Preoad, Increased RV afterload, Decreased LV afterload
For More on this Topic Checkout:
- Frank Lodeserto at REBEL EM: Simplifying Mechanical Ventilation – Part I
- Frank Lodeserto at REBEL EM: Simplifying Mechanical Ventilation Part 2 – Goals of Mechanical Ventilation & Factors Controlling Oxygenation and Ventilation
- Frank Lodeserto at REBEL EM: Simplifying Mechanical Ventilation Part 3 – Severe Metabolic Acidosis
- Frank Lodeserto at REBEL EM: Simplifying Mechanical Ventilation Part 4 – Obstructive Physiology
- Frank Lodeserto at REBEL EM: Simplifying Mechanical Ventilation Part 5 – Refractory Hypoxemia & APRV
- Frank Lodeserto at REBEL EM: Simplifying Mechanical Ventilation Part 6 – Choosing Your Initial Settings
Critical Care Education Curriculum
Please watch Critical Care Fundamentals – Mechanical Ventilation Part 2 as well
Mechanical Ventilation – Educational Reinforcement Material
Mechanical Ventilation – Supplemental Educational Material
Post Peer Reviewed By: Salim R. Rezaie, MD (Twitter: @srrezaie)
The post Critical Care Fundamentals: Basics of Mechanical Ventilation Part 1 appeared first on REBEL EM - Emergency Medicine Blog.