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Topic: Mechanical ventilation

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In the News (Tue 23 Jul 19)

  ScienceDaily: Mechanical ventilation
In medicine, mechanical ventilation is a method to assist or replace spontaneous breathing.
Mechanical ventilation can be life-saving and is a mainstay of CPR, intensive care medicine, and anesthesia.
Mechanical ventilation -- In medicine, mechanical ventilation is a method to assist or replace spontaneous breathing.
www.sciencedaily.com /encyclopedia/Mechanical_ventilation   (1446 words)

  Mechanical ventilation - The Doctors Lounge(TM)
Mechanical ventilation is employed to assist, or in some cases replace, spontaneous breathing.
Arguably the simplest form of mechanical ventilation is the mouth-to-mouth or mouth-to-nose technique that is used in bystander cardiopulmonary resuscitation.
Mechanical ventilation will be unsuccessful and dangerous unless the patient's airways are patent, meaning air can flow unimpeded back and forth into the lungs.
www.thedoctorslounge.net /chest/procedures/mechanical_ventilation.htm   (1427 words)

 Mechanical Ventilation Information on Healthline
Mechanical ventilation is the use of a mechanical device (machine) to inflate and deflate the lungs.
Mechanical ventilation may also be used when the airway is obstructed, especially at night in sleep apnea.
Mechanical ventilation is not synonymous with the use of an oxygen tank.
www.healthline.com /galecontent/mechanical-ventilation   (950 words)

 An Introduction to Mechanical Ventilation by Patrick Neligan
This is an important mechanical property of the lungs, related to the elasticity of the lung units and the surface tension reducing effect of surfactant (which reduces the tendency of alveolar units to collapse into one another).
The result is that both perfusion and ventilation are greater in the bases than at the apices (of the lungs), but perfusion (blood flow) is relatively greater than ventilation in the base (shunt) and ventilation is relatively greater than perfusion in the apices (dead space).
Volume support ventilation is a newer mode in which the physician dials up a target tidal volume, and the computer in the ventilator adjusts the pressure support to a level such as the patient receives this volume.
www.4um.com /tutorial/icm/ventilat.htm   (3943 words)

 Mechanical ventilation - Wikipedia, the free encyclopedia
In medicine, mechanical ventilation is a method to assist or replace spontaneous breathing.
Mechanical ventilation can be life-saving and is a mainstay of CPR, intensive care medicine, and anesthesia.
Vesalius was the first person to describe mechanical ventilation by inserting a reed or cane into the trachea of animals and then blowing into this tube.
en.wikipedia.org /wiki/Mechanical_ventilation   (1749 words)

 Mechanical ventilation in Intensive Care
Ventilation of the patient with unilateral lung disease
Ventilation should be titrated against blood gases and pressures/volumes obtained from each ventilator.
Noninvasive ventilation in immunosuppressed patients with pulmonary infiltrates, fever, and acute respiratory failure.
www.aic.cuhk.edu.hk /web8/mechanical_ventilation.htm   (2985 words)

 mechanical ventilation
In a study of 128 patients receiving mechanical ventilation who are receiving sedative infusions, half the patients had a once daily interruption of sedative infusions and half had management of sedation as per the attending physician's routine.
Alia I, Esteban A. Weaning from mechanical ventilation.
A coparison of noninvasive positive-pressure ventilation and conventional mechanical ventilation in patients with acute respiratory failure.
home.columbus.rr.com /allen/mechanical_ventilation.htm   (7589 words)

 eMedicine - Ventilation, Mechanical : Article by Ryland P Byrd, Jr, MD
Ventilation of the patient was accomplished without the placement of a tracheostomy or an endotracheal tube.
Mechanical ventilation is indicated when the patient's spontaneous ventilation is inadequate to sustain life.
When a mechanical ventilation breath is forced into the patient, the positive pressure tends to follow the path of least resistance to the normal or relatively normal alveoli, potentially causing overdistention.
www.emedicine.com /med/topic3370.htm   (7041 words)

 Mechanical Ventilation for Pig Housing   (Site not responding. Last check: 2007-10-13)
For mechanically ventilated pig barns, it is suggested that the cfm value be chosen at either 1/10" or 1/8" static pressure for design purposes when selecting fans.
This ventilation rate is generally regulated by a thermostat or temperature controller on fan or fans which operate intermittently during the year.
Finally, the third ventilation stage is the hot weather rate which is designed to limit the temperature rise in the facility during the summer.
www.bae.umn.edu /extens/aeu/aeu4.html   (3853 words)

 Mechanical Ventilators
Increasing ventilation is merely a temporizing act until the cause of the acidosis is determined.
Historically, volume ventilators (time cycled, volume regulated, volume limited) were used in anesthesia (a bellows of defined tidal volume pumped at a given rate) and as pediatric and adult intensive care evolved.
Initially these ventilators were not used in the NICU due to the difficulty achieving consistent small volumes (5-7 mL/kg in a 1200g infant!).
neonatal.peds.washington.edu /NICU-WEB/vents.stm   (2941 words)

 Procedures for Residential Mechanical Ventilation   (Site not responding. Last check: 2007-10-13)
The benefits of ventilation, such as avoidance of problems that can occur due to inadequate ventilation of the house, should be weighed against the costs, including the first costs of the equipment and the energy costs to the homeowner to run the fan.
This mechanical ventilation can be provided simply through installation of a small, quiet fan ducted to the outside that will continuously ventilate the whole house.
Central mechanical ventilation shall be sized to provide 0.047 cfm/square foot of house conditioned area (size the fan upwards), or according to Table 1, for typical size fans:
www.energy.ca.gov /efficiency/qualityhomes/mechanical_ventilation.html   (1107 words)

 ARDS - Treatment - PulmonologyChannel
Mechanical ventilators deliver oxygen-rich air to the lungs and remove carbon dioxide from the body.
Positive pressure ventilation is sometimes accomplished with a facemask that forms a tight seal around the mouth and nose or just the nose.
Sedating or muscle-paralyzing drugs are used during mechanical ventilation to prevent resistance to the forced movement of air.
www.pulmonologychannel.com /ards/treatment.shtml   (949 words)

 Mechanical Ventilation
Mechanical Ventilation: Noninvasive Strategies in the Acute Care Setting Neil R. Maclntyre, MD Introduction Noninvasive ventilation (NIV) is the technique of supplying positive pressure ventilatory support to the airways through masks attached to a patient's nose or mouth.
During controlled mechanical ventilation, the plateau pressure (Pplat: the pressure measured at end-inspiration when there is no flow) represents the pressure required to inflate the entire respiratory system (lung plus chest wall); but in terms of stresses on the lung, the important pressure is the distending pressure of the lung -- the transpulmonary pressure (Ptp).
He stated that the mode of ventilation is probably not important in terms of outcome and has little effect on ICP in the short term.
www.rashaduniversity.com /meve.html   (5925 words)

 mechanical ventilation, ventilator, oxygen, pressure curves, IMV, blood gases, oxygen uptake, pulse oximetry, arterial ...
Controlled ventilation is the mode of ventilation used when the patient is completely paralyzed or otherwise unable either to breathe on his own or to initiate ventilator breaths.
Assist­ control ventilation allows the patient to initiate ventilator breaths, providing the advantage of cycling the ventilator when the patient is ready and of lessening the need to suppress the patient's own drive to breathe.
These machines are by far the most commonly used for adult mechanical ventilation and are called volume ventilators because they will generate whatever pressure is necessary (up to a limit) to provide the preset tidal volume.
www.lakesidepress.com /pulmonary/books/physiology/chap10b.htm   (3525 words)

 OHSU Peds - PICU Teahing Files - Mechanical Ventilation
But there may well arise the occasion when you are called upon to stabilize a pediatric patient on a mechanical ventilator prior to the arrival of the transport team or the Pediatric Intensivist.
In general we are trying to accomplish one of two things for a patient using mechanical ventilation: either to control their ventilation and oxygenation, which they are unable to do, or to support them as they wean from ventilatory support.
Ventilator spends part of the interval waiting for spontaneous breath from the patient, which it will use as a trigger to deliver a full breath.
homepage.mac.com /tegtmeyer/residents/vents.html   (2089 words)

 Care Of A Ventilator Patient
Describe at least two complications associated with patient’s response to mechanical ventilation and their signs and symptoms.
To review indications for and basic modes of mechanical ventilation, possible complications that can occur, and nursing observations and procedures to detect and/or prevent such complications.
Aspiration, GI bleeding, Inappropriate ventilation (respiratory acidosis or alkalosis, Thick secretions, Patient discomfort due to pulling or jarring of ETT or tracheostomy, High PaO2, Low PaO2, Anxiety and fear, Dysrhythmias or vagal reactions during or after suctioning, Incorrect PEEP setting, Inability to tolerate ventilator mode.
rnbob.tripod.com /ventcare.htm   (1469 words)

 Weaning from Mechanical Ventilation
Weaning from mechanical ventilation is best achieved when it is viewed as a process of titration, and is implemented in a collaborative manner with input from the physician, nurse, and respiratory therapist.
Using a collaborative weaning plan to decrease duration of mechanical ventilation and length of stay in the intensive care unit for patients receiving long-term ventilation.
Protocol weaning of mechanical ventilation medical and surgical patients by respiratory care practitioners and nurses: Effects on weaning time and incidence of ventilator-associated pneumonia.
www.ed4nurses.com /weaning.htm   (1287 words)

 Mechanical Ventilation
Why are there so many different ways to ventilate a patient?
What is the difference between Inverse Ratio Ventilation (IRV) and
Airway Pressure Release Ventilation (ARPV), Bilevel and Proportional Assist Ventilation?
www.ccmtutorials.com /rs/mv/index.htm   (104 words)

 UpToDate Conventional mechanical ventilation
Alternate methods of mechanical ventilation (eg, inverse ratio, high-frequency, or airway pressure release ventilation), permissive hypercapnia, and the discontinuation of mechanical ventilation are discussed separately.
Pressure-limited forms of mechanical ventilation, such as pressure-controlled inverse ratio ventilation, have been increasingly used because they may lessen volutrauma in acute lung injury [2].
During flow-cycled ventilation, inspiration is terminated when a particular flow rate is reached.
patients.uptodate.com /topic.asp?file=cc_medi/4602   (539 words)

 Intubation and Commencement of Mechanical Ventilation by Patrick Neligan
Intubation and Commencement of Mechanical Ventilation by Patrick Neligan
The initiation of manual or mechanical ventilation is also associated with hypotension due to an increase in interthoracic pressure and a reduction in preload.
Intubation and ventilation are merely one process in the ICU management of patients; they facilitate airway protection and ventilation.
www.4um.com /tutorial/icm/intubate.htm   (2043 words)

 IPRO.org - Mechanical Ventilation   (Site not responding. Last check: 2007-10-13)
When respiratory failure is assigned as the principal diagnosis along with the appropriate code for mechanical ventilation, the resulting DRG is 475.
Tracheostomy patients on ventilation: A patient on mechanical ventilation with endotracheal tube may receive tracheostomy through which ventilation continues.
When a patient was intubated and placed on ventilation in the ER and subsequently admitted to the same hospital, the duration will start from the time the patient was intubated in the ER.
providers.ipro.org /index/hpmp-cc-475-4   (305 words)

 Invasive Mechanical Ventilation   (Site not responding. Last check: 2007-10-13)
The application of invasive mechanical ventilation and care of the patient-ventilator system in the home, as ordered by a physician.
Mechanical ventilation and respiratory care in the home in the 1990s: some personal observations.
The use of a new apparatus for the prolonged administration of artificial ventilation: a fatal case of poliomyelitis.
www.rcjournal.com /online_resources/cpgs/himvcpg.html   (3043 words)

 Mechanical Ventilation Beyond the Intensive Care Unit CHEST - Find Articles   (Site not responding. Last check: 2007-10-13)
For example, weaning from mechanical ventilation is an objective only when a patient is medically stable.
Criteria for Long-term Invasive and Noninvasive Mechanical Ventilation Beyond the ICU
Table 2 lists medical conditions that are appropriate for Long-term mechanical ventilation beyond the ICU.
www.findarticles.com /p/articles/mi_m0984/is_5_116/ai_57892955   (318 words)

Negative pressure ventilation - Normal Ventilation is negative, some mechanical vent can deliver negative pressure, not common, Example is use of a Turtle ventilator with COPD pt.
B. Positive pressure ventilation - most common form of mechanical vents, delivers inspiration by positive pressure, Examples: MA I and II, Servo, Bennett 7200, Bird
Modes of Ventilation - distinguishing factor is the amount of work or spontaneous effort is required to sustain adequate ventilation
mtsu32.mtsu.edu:11019 /N460/vents.html   (596 words)

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