Negative pressure pulmonary edema - Revision history

ClaireLewis at 20:21, 12 October 2019

2019-10-12T20:21:37Z

← Older revision		Revision as of 20:21, 12 October 2019
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	*Forced inspiration against obstructed airway causes large negative intrathoracic pressure, leading to pulmonary edema<ref>Bhaskar B, Fraser JF. Negative pressure pulmonary edema revisited: Pathophysiology and review of management. Saudi J Anaesth. 2011 Jul-Sep; 5(3): 308–313.</ref>		*Forced inspiration against obstructed airway causes large negative intrathoracic pressure, leading to pulmonary edema<ref>Bhaskar B, Fraser JF. Negative pressure pulmonary edema revisited: Pathophysiology and review of management. Saudi J Anaesth. 2011 Jul-Sep; 5(3): 308–313.</ref>
	*Mostly due to postoperative laryngospasm, sudden drops in PEEP (high PEEP to manual BVM), trauma such as hanging, strangulation, foreign bodies, etc.		*Mostly due to postoperative laryngospasm, sudden drops in PEEP (high PEEP to manual BVM), trauma such as hanging, strangulation, foreign bodies, etc.
			*The negative pressure causes hydrostatic edema that can be life-threatening if not but minimized if treated early, usually resolves after 24-48 hours. <ref>Bhattacharya M, Kallet RJ, Ware LB, Matthay MA. Negative-pressure pulmonary edema. Chest. 2016;150(4):927-33. </ref>
			*Patients have an airway obstructive process either from an allergy, laryngospasm, trauma, and commonly in the case of [[hangings]].<ref>Contou D, Voiriot G, Djibre et al. Clinical features of patients with diffuse alveolar hemorrhage due to negative-pressure pulmonary edema. Lung. 2017;195(4):477-487. </ref>

	==Clinical Features==		==Clinical Features==
	*[[Hypoxemia]] (may be sudden and large - beware "fake" or "not real" SpO2), stridor, retractions, accessory muscle use, crackles/wheezes		*[[Hypoxemia]] (may be sudden and large - beware "fake" or "not real" SpO2), stridor, retractions, accessory muscle use, crackles/wheezes
	*[[CXR]] shows diffuse interstitial and alveolar infiltrates		{{Pulmonary edema clinical features}}
	*CT shows preferential central/nondependent distribution of edema ~~(as opposed to other forms of pulmonary edema)~~

	==Differential Diagnosis==		==Differential Diagnosis==
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	==Evaluation==		==Evaluation==
			*[[CXR]] shows diffuse interstitial and alveolar infiltrates
			*CT shows preferential central/nondependent distribution of edema (as opposed to other forms of pulmonary edema)

	==Management==		==Management==
	*Relieve airway obstruction		*Relieve airway obstruction/obstructive processes
	*Vent with generous PEEP and diuretics		*Vent with generous PEEP and diuretics
			*[[Intubation]] is often required
			*Patients with severe pulmonary edema that do not respond to standard ventilator strategies may require proning or even [[ECMO]]

	==Disposition==		==Disposition==
			*Admit, often ICU

	==See Also==		==See Also==
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	[[Category:Pulmonary]]		[[Category:Pulmonary]]
			[[Category:Critical Care]]

Neil.m.young: Text replacement - "==Diagnosis==" to "==Evaluation=="

2016-07-25T05:16:07Z

Text replacement - "==Diagnosis==" to "==Evaluation=="

← Older revision		Revision as of 05:16, 25 July 2016
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	{{Pulmonary edema types}}		{{Pulmonary edema types}}

	==~~Diagnosis~~==		==Evaluation==

	==Management==		==Management==

Rossdonaldson1: Text replacement - "==Clinical Presentation==" to "==Clinical Features=="

2016-07-12T14:24:29Z

Text replacement - "==Clinical Presentation==" to "==Clinical Features=="

← Older revision		Revision as of 14:24, 12 July 2016
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	*Mostly due to postoperative laryngospasm, sudden drops in PEEP (high PEEP to manual BVM), trauma such as hanging, strangulation, foreign bodies, etc.		*Mostly due to postoperative laryngospasm, sudden drops in PEEP (high PEEP to manual BVM), trauma such as hanging, strangulation, foreign bodies, etc.

	==Clinical ~~Presentation~~==		==Clinical Features==
	*[[Hypoxemia]] (may be sudden and large - beware "fake" or "not real" SpO2), stridor, retractions, accessory muscle use, crackles/wheezes		*[[Hypoxemia]] (may be sudden and large - beware "fake" or "not real" SpO2), stridor, retractions, accessory muscle use, crackles/wheezes
	*[[CXR]] shows diffuse interstitial and alveolar infiltrates		*[[CXR]] shows diffuse interstitial and alveolar infiltrates

Ostermayer: Text replacement - "Category:Pulm" to "Category:Pulmonary"

2016-03-22T16:12:15Z

Text replacement - "Category:Pulm" to "Category:Pulmonary"

← Older revision		Revision as of 16:12, 22 March 2016
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	<references/>		<references/>

	[[Category:~~Pulm~~]]		[[Category:Pulmonary]]

Kxl328 at 05:17, 22 January 2016

2016-01-22T05:17:46Z

← Older revision		Revision as of 05:17, 22 January 2016
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	==Background==		==Background==
			*Also known as post-obstructive pulmonary edema
	*Forced inspiration against obstructed airway causes large negative intrathoracic pressure, leading to pulmonary edema<ref>Bhaskar B, Fraser JF. Negative pressure pulmonary edema revisited: Pathophysiology and review of management. Saudi J Anaesth. 2011 Jul-Sep; 5(3): 308–313.</ref>		*Forced inspiration against obstructed airway causes large negative intrathoracic pressure, leading to pulmonary edema<ref>Bhaskar B, Fraser JF. Negative pressure pulmonary edema revisited: Pathophysiology and review of management. Saudi J Anaesth. 2011 Jul-Sep; 5(3): 308–313.</ref>
	*Mostly due to postoperative laryngospasm, sudden drops in PEEP (high PEEP to manual BVM), trauma such as hanging, strangulation, foreign bodies, etc.		*Mostly due to postoperative laryngospasm, sudden drops in PEEP (high PEEP to manual BVM), trauma such as hanging, strangulation, foreign bodies, etc.

Rossdonaldson1: /* Differential Diagnosis */

2015-03-24T21:02:29Z

Differential Diagnosis

← Older revision		Revision as of 21:02, 24 March 2015
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	==Differential Diagnosis==		==Differential Diagnosis==
			{{Pulmonary edema types}}

	==Diagnosis==		==Diagnosis==

Rossdonaldson1: Created page with "==Background== *Forced inspiration against obstructed airway causes large negative intrathoracic pressure, leading to pulmonary edemaBhaskar B, Fraser JF. Negative pressu..."

2015-03-24T20:18:51Z

Created page with "==Background== *Forced inspiration against obstructed airway causes large negative intrathoracic pressure, leading to pulmonary edema<ref>Bhaskar B, Fraser JF. Negative pressu..."

New page

==Background==
*Forced inspiration against obstructed airway causes large negative intrathoracic pressure, leading to pulmonary edema<ref>Bhaskar B, Fraser JF. Negative pressure pulmonary edema revisited: Pathophysiology and review of management. Saudi J Anaesth. 2011 Jul-Sep; 5(3): 308–313.</ref>
*Mostly due to postoperative laryngospasm, sudden drops in PEEP (high PEEP to manual BVM), trauma such as hanging, strangulation, foreign bodies, etc.

==Clinical Presentation==
*[[Hypoxemia]] (may be sudden and large - beware "fake" or "not real" SpO2), stridor, retractions, accessory muscle use, crackles/wheezes
*[[CXR]] shows diffuse interstitial and alveolar infiltrates
*CT shows preferential central/nondependent distribution of edema (as opposed to other forms of pulmonary edema)

==Differential Diagnosis==

==Diagnosis==

==Management==
*Relieve airway obstruction
*Vent with generous PEEP and diuretics

==Disposition==

==See Also==
*[[Pulmonary edema]]

==External Links==

==References==
<references/>

[[Category:Pulm]]