Intermittent Mandatory Ventilation
Intermittent Mandatory Ventilation - Related Videos
01:23
Mechanical Ventilation II: Invasive Ventilation
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2025
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators. Negative-Pressure Ventilators Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
01:23
Mechanical Ventilation III: Noninvasive Ventilation
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2025
Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy. Noninvasive Positive-Pressure Ventilation (NIPPV)
03:16
Intermittent Photic Stimulation in Rabbit Model: A Technique to Induce Epileptic Seizures and Simultaneously Record Multisystem Parameters
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2025
In this video, we show a procedure for simultaneous recording of video-EEG-ECG-capnography-oximetry data generated by inducing seizures in a rabbit model.
05:05
A Structured Approach to Extubation in Mechanically Ventilated Rats
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2025
This study proposes a structured extubation approach tailored to rat models of mechanical ventilation (MV). The approach facilitates a smooth transition from MV to spontaneous breathing while minimizing extubation-related complications. Standardization of weaning, airway management, and post-extubation care enhances the reliability and reproducibility of experimental studies.
04:46
A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
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2011
We describe a technique to maintain oxygenation and ventilation using an endotracheal tube inserted nasally to the level of the naso-pharynx while sealing the mouth and nares for successful positive pressure ventilation.
FAQs
Synchronized IMV coordinates a scheduled mandatory breath with the patient’s own inspiratory effort rather than delivering it at an unrelated time. This timing distinguishes synchronized support from unsynchronized delivery and is clinically important because patient-ventilator asynchrony can complicate mechanical ventilation. Synchronization therefore helps align machine assistance with the patient’s breathing pattern while preserving spontaneous breaths between mandatory cycles.
The clinician presets the number of mandatory breaths and determines whether the ventilator delivers those breaths using a set volume or pressure. These settings establish the machine-delivered portion of respiratory support, while the patient’s spontaneous breaths contribute additional ventilation between cycles. Spontaneous breaths may also receive pressure support, allowing assistance to be distributed across both types of breathing.
More mechanical assistance can support a patient whose ventilation is inadequate, but ventilation must be balanced against ventilator-induced lung injury. Excessive or poorly matched assistance may also contribute to patient-ventilator asynchrony. The central clinical challenge is therefore to provide enough mandatory and spontaneous-breath support to sustain ventilation without allowing the intervention itself to create avoidable respiratory complications.
IMV is particularly relevant when a patient still needs machine-delivered breaths but can generate some spontaneous breathing independently. By combining mandatory support with patient-initiated breaths, the mode can provide partial respiratory assistance rather than relying solely on machine-delivered ventilation. This makes it useful during recovery and weaning, when respiratory support must be balanced against the patient’s emerging breathing contribution.
A clinical setup must establish the number of mandatory breaths and specify whether those breaths are delivered by preset volume or pressure. The care team may also determine whether spontaneous breaths receive added pressure support. Together, these choices define the machine’s required contribution and the assistance available between mandatory cycles, while retaining the patient’s ability to breathe spontaneously.
During weaning, IMV can maintain a preset level of mandatory assistance while allowing the patient to breathe spontaneously between machine-delivered cycles. This creates a partial-support strategy: the ventilator continues to contribute, but the patient participates in ventilation rather than receiving only mandatory breaths. Clinicians must still balance this approach against ventilator-induced lung injury and patient-ventilator asynchrony.