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Mechanical Ventilation PV Curves
Techniques for Measurement 1. Supersyringe 2. Constant Flow 3. Multiple Occlusion
Low Constant Flow Simple Can be performed on ventilator (some types) Avoids disconnect Hysteresis Heavy sedation or paralysis required Flow 9 L/min for “quasi-static” conditions 1 1 Qin Lu, AJRCCM 1999;159: Servillo, AJRCCM 1997;155:
Radford, Tissue Elasticity, 1957 Surface forces due to air-liquid interface
Gattinoni, ARRD 1987;136: Pflex
P "safe" window zone of overdistension V Pressure-Volume Curve LIP UIP zone of derecruitment and atelectasis
PV Curve Normal ARDS COPD
P "safe" window zone of overdistension V atelectrauma volutrauma Lung Protective Ventilator Strategies LIP UIP zone of derecruitment and atelectasis DON’T EVEN THINK OF PARKING HERE
Pressure Volume Safe zone Overdistention Derecruited Lower P flex, LIP Upper P flex, UIP PV Curve in ARDS
Preventing Overdistention and Under-Recruitment Injury “Lung Protective” Ventilation VOLUMEVOLUME VOLUMEVOLUME Pressure Limit Distending Pressure Add PEEP Limit VT
PV Curve COPD
Pressure Volume Curve of the Respiratory System 吳健樑 馬偕醫院 胸腔內科.
“ فإذا سويته ونفخت فيه من روحي فقعوا له ساجدين“ ص ۷۲.
Advanced Pulmonary Mechanics during Mechanical Ventilation.
Pulmonary Mechanics and Graphics during Mechanical Ventilation.
LUNG RECRUITMENT Recruitment, PEEP titration and Open Lung Tool® Atelectasis.
Waveforms RC 270 Pressure Volume Curves Graphic display of changes in compliance and resistance Used for TREND analysis! – One set of waveforms must.
BY: TRAVIS LENTINI Establishing the Need for Mechanical Ventilation.
HEATHER, FITSUM, AND LISAMARIE. APRV was described initially by Stock and Downs in 1987 as a continuous positive airway pressure (CPAP) with an intermittent.
How to choose optimal settings Mechanical Ventilation Equipment Patient Decision taking Peter C. Rimensberger Pediatric and Neonatal ICU Department of.
Positive End Expiratory Pressure Dr Muhammad Asim Rana.
Respiratory support and respiratory outcome in preterm infants PD Dr. med. Ulrich Thome Division of Neonatolgy and Pediatric Critical Care University Children’s.
The Respiratory system Pulmonary ventilation – Chp 16 Respiration.
1 Mechanical Ventilation. 2 Behavioral Objectives The participant will be able to: 1. Write complete ventilator orders for modalities of CMV. 2. Identify.
Ventilator Graphics Chapter 10. Graphics Monitor the function of the ventilator Evaluate the patient’s response to the ventilator Help the clinician adjust.
The Problem ARDS - mortality % Etiology - unknown Therapy - largely supportive »mechanical ventilation Lung injury How do you ventilate the ARDS.
Acute Respiratory Distress Syndrome Has management changed in the last Decade? Ram E. Rajagopalan, MBBS, AB (Int Med) AB (Crit Care) Head, Department of.
The Map Between Lung Mechanics and Tissue Oxygenation The Map Between Lung Mechanics and Tissue Oxygenation.
Physiology Unit. Compliance refers to the distensibility of the lung. Def: “ The change in volume of the lung produced by a change in pressure across.
High frequency oscillation in patients with ALI & ARDS : systematic review and meta-analysis Sachin Sud, Maneesh Sud, Jan O Friedrich, Maureen O Meade,
ARDS Ventilator Management Nimesh.
David W. Chang, EdD, RRT University of South Alabama.
Respiratory monitoring Peter C. Rimensberger Pediatric and Neonatal ICU University Hospital of Geneva Switzerland.
Interpretation of Ventilator Graphics Dr.Ahmed Abd Elmaksoud, MD.
When the smallest thing matters SLE5000 HFOV Presented by SAYU ABRAHAM.
RC 210 Chapter 7 Lecture 1. Primary Goal Overall primary goal of mechanical ventilation is to meet the oxygen and carbon dioxide requirements for patients.
Optimising Ventilation Using a Simple Model of Ventilated ARDS Lung Geoffrey M Shaw 1, J. Geoffrey Chase 2, Toshinori Yuta 2, Beverley Horn 2 and Christopher.
Pediatric ARDS: Understanding It and Managing It James D. Fortenberry, MD Medical Director, Pediatric and Adult ECMO Medical Director, Critical Care Medicine.
+ Non-invasive Positive Pressure Ventilation (NPPV) Basheer Albahrani, RT.
Ventilation Strategies in ARDS MICU-ER Joint Conference Dr. Rachmale, Dr. Prasankumar 12/3/08.
A&E(VINAYAKA) MECHANICAL VENTILATION IN ARDS / ALI Dr. V.P.Chandrasekaran,
Wollongong CGD, October 31 Mechanical Ventilation.
Adult Respiratory Distress Syndrome. Case presentation A 45-year-old man develops ARDS after sustaining multiple broken bones in an automobile accident.
Extracorporeal CO2 Removal in ARDS Antonio Pesenti University of Milano Bicocca Italy.
Essentials of Ventilator Graphics ©2000 RespiMedu Ruben D Restrepo, MD, RRT, FAARC Professor The University of Texas Health Science Center at San Antonio.
Ventilator-Induced Lung Injury N Engl J Med 2013;369: Arthur S. Slutsky, M.D., and V. Marco Ranieri, M.D 호흡기 내과 / R4 이민혜 Review Article.
FEATURES: Pa O2 < 6O mm of Hg Pa Co2 – normal or low (< 50 mm Hg) Hydrogen Ion conc. - normal Bicarbonate ion conc. - normal.
Patrick Gleason MS4 University of South Carolina School of Medicine 1.
Presented By: Diana Gedamke, BSN, RN, CCRN Marion College - Fond du Lac Masters of Nursing Student.
1 Mosby items and derived items © 2010 by Mosby, Inc., an affiliate of Elsevier Inc. Chapter 14 Respiratory Monitoring in the Intensive Care Unit.
P.L.V. Eugene Yevstratov MD 2008 PartialLiquidVentilation.
Mechanical Ventilation Khaled Hadeli, M.D.. History.
Principles of Mechanical Ventilation Mazen Kherallah, M.D., FCCP Internal Medicine, Critical Care Medicine, and Infectious Diseases Initial Ventilatory.
Systemic Inflammatory Response and Protective Ventilation Strategies Daniel R. Brown, PhD, MD, FCCM Chair, Division of Critical Care Medicine Associate.
Mechanical ventilation for SARS The basics Charles Gomersall Dept of Anaesthesia & Intensive Care The Chinese University of Hong Kong Prince of Wales Hospital.
Mechanical Ventilation 101 An Introduction to Ventilatory Support.
Round-up Review of PEEP Dr. J.B. Elsberry Prof. J.M. Newberry Special Thanks Gregory A. Schmidt, MD Professor, University of Chicago Peter C. Rimensberger.
BASICS OF WAVEFORM INTERPRETATION Michael Haines, MPH, RRT-NPS, AE-C.
Principles of Mechanical Ventilation RET 2284 Module 1.0 Spontaneous Breathing vs. Negative / Positive Pressure Ventilation.
Date of download: 5/30/2016 Copyright © 2016 American Medical Association. All rights reserved. From: Mechanical Breath Profile of Airway Pressure Release.
Basic Pulmonary Mechanics during Mechanical Ventilation Equation of Motion dP = R x Flow + dV / C st.
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