02/02/2026
At MVTI, it's already been a very productive year, and we want to share a short excerpt from one of the projects we've been working on and will be released shortly.
Here is the preface from the soon-to-be-released Basic Ventilator Life Support Student Course Textbook.
Please leave your comments below, and if you're interested in reviewing one of the chapters, please fill out the interest form over at www.mvti.org/get-involved
Liberation Begins at Intubation
The goal of mechanical ventilation is not to keep patients on the ventilator. It is to get them off—and back home to their families.
The Ultimate Goal: Sending Patients Home
Behind every ventilated patient is a family waiting. A spouse hoping to hear their partner's voice again. Children wondering when mom or dad will come home. Parents praying for their child's recovery. Our work at the bedside, adjusting settings and interpreting waveforms, serves a purpose far greater than the numbers on the screen: we are fighting to return people to the lives and loved ones they were forced to leave behind.
Mechanical ventilation is not a destination—it is a bridge. It supports patients through the most critical moments of their illness, buying time for treatments to work and healing to occur. But every day a patient spends on that bridge carries risk. Ventilator-associated pneumonia, ventilator-induced lung injury, ICU-acquired weakness, delirium, psychological trauma—the complications of prolonged mechanical ventilation are well-documented and devastating. The evidence is clear: patients who spend less time on mechanical ventilation have better outcomes. They are more likely to survive, more likely to return to functional independence, and more likely to go home.
This is why liberation from mechanical ventilation should not be an afterthought, addressed only when someone remembers to order a weaning trial. Liberation should be our goal from the moment the endotracheal tube passes through the vocal cords. Every decision we make—every setting we choose, every alarm we respond to, every assessment we perform—should be made with one question in mind: "How does this help get this patient home to their family?"
The Problem of Therapeutic Momentum
If getting patients off the ventilator quickly is so important, why do so many patients languish on suboptimal settings for days? Why do harmful ventilator configurations persist long after they should have been corrected? The answer lies in a phenomenon called therapeutic momentum.
Therapeutic momentum is the tendency for medical interventions, once initiated, to continue unchanged despite a lack of ongoing indication or the presence of better alternatives. It is the clinical equivalent of inertia: an object in motion tends to stay in motion, and a ventilator setting, once set, tends to stay set.
Consider how often you have seen this scenario: A patient is intubated emergently, and in the chaos of resuscitation, ventilator settings are chosen quickly—perhaps higher tidal volumes than ideal, or a mode that seemed reasonable at the time. The patient stabilizes. The crisis passes. But the settings remain. Day after day, shift after shift, the ventilator continues delivering breaths exactly as it was programmed in those first frantic minutes. Nobody changes it because, on the surface, "it's working."
But "working" is not the same as "optimal." A tidal volume of 8 mL/kg might be "working" in the sense that the patient is oxygenating, but it may also be silently perpetuating lung injury. An FiO₂ of 0.80 might be "working" to maintain saturations, but the underlying atelectasis that could be treated with better PEEP goes unaddressed. The patient survives each day, but liberation drifts further away.
Why Does Therapeutic Momentum Happen?
• "If it ain't broke, don't fix it" mentality: Clinicians are hesitant to change settings on a patient who appears stable, even if those settings are suboptimal. The fear of destabilizing the patient outweighs the recognized benefits of optimization.
• Diffusion of responsibility: In busy ICUs with multiple providers, everyone assumes someone else will address the ventilator settings. The respiratory therapist thinks the physician will adjust the orders. The physician thinks the RT will recommend changes. The patient remains on the same settings.
• Cognitive overload: Critically ill patients have dozens of problems requiring attention. Ventilator optimization competes with sepsis management, renal failure, hemodynamic instability, and family meetings. In the hierarchy of urgent tasks, vent settings often fall to the bottom.
• Lack of systematic reassessment: Without protocols mandating regular evaluation of ventilator settings, optimization becomes dependent on individual initiative rather than systematic practice.
• Anchoring bias: The initial settings serve as a cognitive anchor. Subsequent assessments are made relative to those settings rather than relative to what the patient actually needs.
The Cost of Therapeutic Momentum
Research has demonstrated that delays in optimizing mechanical ventilation are associated with:
• Longer duration of mechanical ventilation
• Increased ICU and hospital length of stay
• Higher rates of ventilator-associated complications
• Increased mortality
• Greater healthcare costs
• Worse long-term functional outcomes
Every day of unnecessary ventilation is a day that could have been spent recovering at home.
Getting It Right from the Start
The antidote to therapeutic momentum is intentionality. We must approach mechanical ventilation not as a holding pattern, but as active therapy that requires continuous optimization. And the most powerful intervention we have is getting the settings right from the very beginning.
Initial ventilator settings matter far more than most clinicians realize. Studies have shown that settings chosen in the first hours of mechanical ventilation often persist for the duration of the patient's ICU stay. The tidal volume set at 3 AM during an emergency intubation may still be the tidal volume delivered a week later. This means that the clinician who initiates mechanical ventilation—whether physician, respiratory therapist, nurse, or paramedic—has an outsized impact on the patient's entire ventilator course.
This is both a responsibility and an opportunity. If we commit to evidence-based, lung-protective ventilation from the first breath, we set our patients on a trajectory toward earlier liberation. If we calculate predicted body weight and set appropriate tidal volumes, if we initiate adequate PEEP, if we target reasonable oxygenation goals—we are not just managing the moment, we are investing in our patient's future.
The BVLS Philosophy
Basic Ventilator Life Support is built on the principle that excellence in foundational care drives patient outcomes.
We believe that:
• Every clinician who touches a ventilator should understand the principles of lung-protective ventilation.
• Evidence-based defaults should be the starting point for all patients, not an afterthought for the sickest.
• Systematic assessment should replace sporadic evaluation. Ventilator settings should be reviewed with the same rigor as medication doses.
• Continuous optimization should be the standard. "Good enough" is never good enough when liberation is the goal.
• Every team member shares responsibility for ventilator management. Liberation is not one person's job—it is everyone's mission.
The chapters that follow will equip you with the knowledge and skills to provide excellent ventilator care. You will learn the physiology of mechanical ventilation, the function of ventilator components, the nuances of different modes, and the art of troubleshooting. But never lose sight of why this knowledge matters: it matters because a family is waiting, and our job is to send their loved one home.
How to Use This Book
This textbook is designed to provide foundational knowledge in mechanical ventilation for healthcare providers across disciplines—paramedics, nurses, respiratory therapists, physicians, and other critical care clinicians. The content progresses from fundamental concepts to practical application, with each chapter building on previous material.
Throughout the text, you will find:
• Learning Objectives: Clear goals for each chapter to guide your study.
• Clinical Pearls: Practical insights that bridge theory and bedside practice.
• Case Studies: Progressive scenarios that challenge you to apply concepts in realistic clinical situations.
• Skill Stations: Hands-on competency assessments designed for workshop settings.
• Quick Reference Materials: Summary tables and algorithms for rapid bedside reference.
We encourage you to engage actively with this material. Practice the calculations. Study the waveforms. Work through the case studies. The knowledge you gain here will directly impact patient care—and patient outcomes.
A Final Thought
Mechanical ventilation is one of the most powerful interventions in modern medicine. It sustains life when the body cannot sustain itself. But power demands responsibility. Every breath we deliver, every setting we choose, every alarm we answer—these are not merely technical tasks. They are acts of care for human beings in their most vulnerable moments.
When you stand at the bedside of a ventilated patient, remember that you are not just managing a machine. You are holding a family's hope in your hands. The knowledge in this book will help you honor that trust.
Liberation begins at intubation. Let's get to work.
The Mechanical Ventilation Training Institute
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