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Open access spreadsheet application for learning spontaneous breathing mechanics and mechanical ventilation

Daniel Navajas, Isaac Almendros, Jorge Otero, Ramon Farré
Breathe 2021 17: 210012; DOI: 10.1183/20734735.0012-2021
Daniel Navajas
Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain
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Isaac Almendros
Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain
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  • ORCID record for Isaac Almendros
Jorge Otero
Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain
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Ramon Farré
Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain
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  • For correspondence: rfarre@ub.edu
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    Figure 1

    Mechanics of the spontaneous breathing cycle (Part 1). a) Screenshot of tab DATA 1 showing baseline values of airway resistance (Raw), lung elastance (EL), and chest wall elastance (ECW), the values of the flow signals: flow (V̇), volume (V), and alveolar (Palv), pleural (Ppl), transpulmonary (PL) and muscular (Pmus) pressures. b) Screenshot of tab FIG 2 showing the time course of the signals for baseline parameters (dashed lines) and when Raw was increased from 2 cmH2O·s·L–1 to 10 cmH2O·s·L–1 (solid lines). Orange cells allow students to change of their numerical values. See text for explanation.

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    Figure 2

    Mechanical ventilation (Part 2). a) Screenshot of tab FIG 2 showing the simulated signals of flow, volume and airway opening (Pao) and alveolar (Palv) pressures during mechanical ventilation. Dashed and solid lines correspond to the baseline respiratory parameters and when respiratory resistance (Raw) was increased from 2 cmH2O·s·L–1 to 5 cmH2O·s·L–1, respectively. b) Screenshot of tab FIG 6 showing the simulated signals of flow, volume and Pao provided by a conventional ventilator during an end-expiratory occlusion manoeuvre to monitor the patient's respiratory mechanics. Orange cells allow students to change of their numerical values. MV: minute ventilation; f: respiratory rate; Ti: inspiratory time. See text for explanation.

Supplementary Materials

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    Please note: supplementary material is not edited by the Editorial Office, and is uploaded as it has been supplied by the author.

    Simulation of mechanical ventilation - STUDENT EDU-0012-2021.supplement1_Student

    Simulation of mechanical ventilation - TEACHER EDU-0012-2021.supplement1_Teacher

    Simulation of spontaneous breathing mechanics - STUDENT EDU-0012-2021.supplement2_Student

    Simulation of spontaneous breathing mechanics- TEACHER EDU-0012-2021.supplement2_Teacher

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Vol 17 Issue 2 Table of Contents
Breathe: 17 (2)
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Open access spreadsheet application for learning spontaneous breathing mechanics and mechanical ventilation
Daniel Navajas, Isaac Almendros, Jorge Otero, Ramon Farré
Breathe Jun 2021, 17 (2) 210012; DOI: 10.1183/20734735.0012-2021

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Open access spreadsheet application for learning spontaneous breathing mechanics and mechanical ventilation
Daniel Navajas, Isaac Almendros, Jorge Otero, Ramon Farré
Breathe Jun 2021, 17 (2) 210012; DOI: 10.1183/20734735.0012-2021
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