Michael: /* See also */

2016-02-13T16:01:17Z

Michael: /* General */

2016-02-13T02:58:43Z

General

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	==General==		==General==
	*~~This is seen by pathologists, in~~ [[~~autopsy~~]]~~, from time-to-time~~.		Clinical features:
			*[[Dyspnea]].
			*Chest pain.
			*Fever.

			It is seen by pathologists at [[autopsy]] from time-to-time, and in advanced [[lung cancer]].

			===Etiology===
	Most common cause:		Most common cause:
	*''Streptococcus pneumoniae''.<ref name=Ref_PBoD8_711>{{Ref PBoD8\|711}}</ref>		*''Streptococcus pneumoniae''.<ref name=Ref_PBoD8_711>{{Ref PBoD8\|711}}</ref>

Michael: split out

2016-02-13T02:52:18Z

split out

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	#~~redirect~~ [[Pneumonia~~#Acute_infectious_pneumonia~~]]		'''Acute infectious pneumonia''' is a common type of [[pneumonia]]. It is usually diagnosed clinically and uncommonly biopsied.

			==General==
			*This is seen by pathologists, in [[autopsy]], from time-to-time.

			Most common cause:
			*''Streptococcus pneumoniae''.<ref name=Ref_PBoD8_711>{{Ref PBoD8\|711}}</ref>

			The top three community acquired (acute) pneumonia:<ref name=pmid12239229>{{Cite journal \| last1 = Nicolau \| first1 = D. \| title = Clinical and economic implications of antimicrobial resistance for the management of community-acquired respiratory tract infections. \| journal = J Antimicrob Chemother \| volume = 50 Suppl S1 \| issue = \| pages = 61-70 \| month = Sep \| year = 2002 \| doi = \| PMID = 12239229 }}</ref>
			*''Streptococcuc pneumonia''.
			*''Haemophilus influenzae''.
			*''Moraxella catarrhalis''.

			Other community acquired pneumonia:<ref name=Ref_PBoD8_711>{{Ref PBoD8\|711}}</ref>
			*S. aureus.
			*Legionaella pneumophila.
			*Klebsiella pneumoniae.
			*[[Pseudomonas]].

			Hospital-acquired pneumonia:<ref name=Ref_PBoD8_711>{{Ref PBoD8\|711}}</ref>
			*Gram-negative rods.
			*''Staphylococcus aureus''.

			==Radiologic correlate==
			*Air space disease.

			==Gross pathology==
			*Consolidation (the lung parenchyma is firm) - best appreciated by running a finger over the cut surface of the lung with a small-to-moderate amount of pressure.

			Bronchopneumonia:
			*Classically yellow-white centered on the bronchi.<ref>{{Ref AoGP\|93}}</ref>

			Lobar pneumnia is classically described in four stages:<ref>{{Ref AoGP\|92}}</ref><ref>URL: [http://www.histopathology-india.net/Lobar_Pneumonia.htm http://www.histopathology-india.net/Lobar_Pneumonia.htm]. Accessed on: 27 February 2012.</ref>
			#Congestion - day 1-2.
			#Red hepatization - day 2-4.
			#Gray hepatization - day 4-6.
			#Resolution - day 6+.

			Note:
			*The stages of lobar pneumonia is considered more-or-less historical. In the age of antibiotics, lobar pneumonia is uncommon.

			==Microscopic==
			Features:
			*Alveoli packed with [[PMN]]s.
			*+/-Clusters of bacteria - small dots or rods.
			*+/-Abscess formation.
			**Lung abscess = destruction of parenchyma + [[PMN]]s.<ref name=Ref_AoGP95>{{Ref AoGP\|95}}</ref>

			DDx:
			*[[Aspiration pneumonia]] - aspirated material, usually lack microorganisms.

			===Images===
			<gallery>
			Image:Pneumonia_alveolus.jpg \| Normal alveoli & pneumonia. (WC)
			</gallery>
			<gallery>
			Image: Acute pneumonia -- low mag.jpg \| AP - low mag. (WC)
			Image: Acute pneumonia -- intermed mag.jpg \| AP - intermed. mag. (WC)
			Image: Acute pneumonia - alt -- intermed mag.jpg \| AP - intermed. mag. (WC)
			Image: Acute pneumonia -- high mag.jpg \| AP - high mag. (WC)
			Image: Acute pneumonia -- very high mag.jpg \| AP - very high mag. (WC)
			</gallery>

			==Stains==
			*Gram stain -- to type the bacteria.

			==See also==
			*[[Pneumonia]].

			==References==
			{{Reflist\|1}}

	[[Category:Diagnosis]]		[[Category:Diagnosis]]
			[[Category:Medical lung diseases]]

Michael: chg redirect

2011-12-28T06:26:26Z

chg redirect

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	#redirect [[~~Medical_lung_diseases~~#Acute_infectious_pneumonia]]		#redirect [[Pneumonia#Acute_infectious_pneumonia]]

	[[Category:Diagnosis]]		[[Category:Diagnosis]]

Michael: redirect

2011-12-18T23:49:11Z

redirect

New page

#redirect [[Medical_lung_diseases#Acute_infectious_pneumonia]]

[[Category:Diagnosis]]

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	==See also==		==See also==
	*[[Pneumonia]].		*[[Pneumonia]].
			*[[Acute pneumonia]].

	==References==		==References==

Acute infectious pneumonia - Revision history

Michael: /* See also */

Michael: /* General */

Michael: split out

Michael: chg redirect

Michael: redirect