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Related Concept Videos

Mechanical Ventilation III: Noninvasive Ventilation01:23

Mechanical Ventilation III: Noninvasive Ventilation

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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...
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Ventilatory Modes01:14

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Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
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Mechanical Ventilation II: Invasive Ventilation01:23

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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.
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Mechanical Ventilation I: Indication and Settings01:29

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Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
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Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
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Oxygen Delivering System III: Tracheostomy and T-piece01:23

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Oxygen delivery is critical in clinical care, especially for patients with respiratory disorders or those undergoing surgical procedures. Various systems, such as tracheostomy and the T-piece, deliver oxygen to the lungs, ensuring adequate arterial oxygenation.
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Related Experiment Video

Updated: Mar 3, 2026

Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart
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Use of Two Intracorporeal Ventricular Assist Devices As a Total Artificial Heart

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Nonidentical Continuous-Flow Devices For Biventricular Support.

Andrew C W Baldwin, Elena Sandoval, William E Cohn

    Texas Heart Institute Journal
    |May 3, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Dual continuous-flow ventricular assist devices can successfully manage biventricular heart failure, even when pumps are mechanically dissimilar. This case study demonstrates long-term biventricular support with nonidentical devices.

    Keywords:
    Assisted circulation/instrumentationheart failure/therapyheart-assist devicesrecovery of functiontreatment outcomeventricular dysfunction, left therapyventricular dysfunction, right therapy

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    Last Updated: Mar 3, 2026

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    Area of Science:

    • Cardiology
    • Mechanical Circulatory Support

    Background:

    • Biventricular heart failure management often involves dual continuous-flow ventricular assist devices (VADs).
    • Historically, using mechanically dissimilar VADs for long-term support has been discouraged due to potential complications.

    Observation:

    • A 52-year-old male patient developed right ventricular failure while on a HeartMate II left ventricular assist device (LVAD).
    • A HeartWare LVAD was implanted to support the right ventricle, positioned to avoid interference with the existing HeartMate II.

    Findings:

    • The patient successfully received long-term biventricular support using two mechanically dissimilar continuous-flow VADs (HeartMate II and HeartWare).
    • Despite logistical challenges, this approach provided effective mechanical circulatory support.

    Implications:

    • This case suggests that nonidentical VAD pairings are a viable option for long-term biventricular support.
    • It highlights the potential for overcoming complexities in managing advanced heart failure with combined VADs.