Community-acquired pneumonia chest x ray: Difference between revisions
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{{Community-acquired pneumonia}} | {{Community-acquired pneumonia}} | ||
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==Overview== | |||
An important test for making a diagnosis of [[pneumonia]] is a chest [[x-ray]]. Chest x-rays can reveal areas of opacity (seen as white) which represent consolidation. Pneumonia is not always seen on x-rays, either because the disease is only in its initial stages, or because it involves a part of the lung not easily seen by x-ray. | |||
==Chest X-Ray== | |||
===Indications=== | |||
Patients with the following conditions should be evaluated with a chest X-ray:<ref name="pmid21661712">{{cite journal| author=Watkins RR, Lemonovich TL| title=Diagnosis and management of community-acquired pneumonia in adults. | journal=Am Fam Physician | year= 2011 | volume= 83 | issue= 11 | pages= 1299-306 | pmid=21661712 | doi= | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21661712 }} </ref> | |||
* [[Fever]] (>37.8° C / 100° F) | |||
* [[Tachypnea]] (> 20 breaths/min) | |||
* [[Tachycardia]] (> 100 bpm) | |||
* Decreased [[breath sounds]] and [[crackles]] in the physical exam | |||
===Findings=== | |||
* [[X-ray]]s of the chest reveal areas of opacity. | |||
*A normal chest x-ray makes community-acquired pneumonia (CAP) less likely; however, CAP is sometimes not seen on x-rays because the disease is either in its initial stages or involves a part of the lung not easily seen by x-ray. | |||
* X-rays can be misleading, because other problems, like lung scarring and [[congestive heart failure]], can mimic pneumonia on x-ray.<ref name=syrjala>Syrjala H, Broas M, Suramo I, et al. ''High resolution computed tomography for the diagnosis of community-acquired pneumonia.'' Clin Infect Dis 1998; 27:358-363 PMID 9709887</ref> Chest x-rays are also used to evaluate for complications of pneumonia. | |||
* [[Chest x-ray]] findings are usually nonspecific in [[viral pneumonia]]. | |||
* [[Computed tomography]] is used in situations when the diagnosis is not clear with a chest x-ray. | |||
===Chest X-ray Gallery=== | |||
<gallery> | |||
Image:PCPxray.jpg | |||
Image:659px-XR chest - pneumonia with abscess and caverns - d0.jpg | |||
Image:Streptococcus pneumonia.jpg|Extensive consolidation and air bronchograms with loss of the right hemidiaphragm in keeping with right lower lobe pneumonia.<br> {{radiopaedia|name=Dr Frank Gaillard|link=http://radiopaedia.org/cases/pneumonia-streptococcus-1}} | |||
Image:Pneumonic_infiltration_of_the_right_middle_lobe.jpg|Pneumonic infiltration of the right middle lobe.<br>{{radiopaedia|name=Dr Sajoscha Sorrentino|link=http://radiopaedia.org/cases/pneumonia-right-middle-lobe-3}} | |||
</gallery> | |||
==References== | ==References== | ||
{{ | {{reflist|2}} | ||
{{WH}} | |||
{{WS}} | |||
[[Category: | [[Category:Pneumonia]] | ||
[[Category:Pulmonology]] | [[Category:Pulmonology]] | ||
[[Category:Emergency medicine]] | [[Category:Emergency medicine]] | ||
[[Category:Pediatrics]] | |||
[[Category:Disease]] | |||
Latest revision as of 21:02, 29 July 2020
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Community-Acquired Pneumonia Microchapters |
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Differentiating Community-acquired pneumonia from other Diseases |
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Diagnosis |
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Treatment |
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Case Studies |
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Community-acquired pneumonia chest x ray On the Web |
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American Roentgen Ray Society Images of Community-acquired pneumonia chest x ray |
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Directions to Hospitals Treating Community-acquired pneumonia |
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Risk calculators and risk factors for Community-acquired pneumonia chest x ray |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Alejandro Lemor, M.D. [2]
Overview
An important test for making a diagnosis of pneumonia is a chest x-ray. Chest x-rays can reveal areas of opacity (seen as white) which represent consolidation. Pneumonia is not always seen on x-rays, either because the disease is only in its initial stages, or because it involves a part of the lung not easily seen by x-ray.
Chest X-Ray
Indications
Patients with the following conditions should be evaluated with a chest X-ray:[1]
- Fever (>37.8° C / 100° F)
- Tachypnea (> 20 breaths/min)
- Tachycardia (> 100 bpm)
- Decreased breath sounds and crackles in the physical exam
Findings
- X-rays of the chest reveal areas of opacity.
- A normal chest x-ray makes community-acquired pneumonia (CAP) less likely; however, CAP is sometimes not seen on x-rays because the disease is either in its initial stages or involves a part of the lung not easily seen by x-ray.
- X-rays can be misleading, because other problems, like lung scarring and congestive heart failure, can mimic pneumonia on x-ray.[2] Chest x-rays are also used to evaluate for complications of pneumonia.
- Chest x-ray findings are usually nonspecific in viral pneumonia.
- Computed tomography is used in situations when the diagnosis is not clear with a chest x-ray.
Chest X-ray Gallery
-
-
-
Extensive consolidation and air bronchograms with loss of the right hemidiaphragm in keeping with right lower lobe pneumonia.
Image courtesy of Dr Frank Gaillard, Radiopedia. (original file here). Creative Commons BY-SA-NC -
Pneumonic infiltration of the right middle lobe.
Image courtesy of Dr Sajoscha Sorrentino, Radiopedia. (original file here). Creative Commons BY-SA-NC
References
- ↑ Watkins RR, Lemonovich TL (2011). "Diagnosis and management of community-acquired pneumonia in adults". Am Fam Physician. 83 (11): 1299–306. PMID 21661712.
- ↑ Syrjala H, Broas M, Suramo I, et al. High resolution computed tomography for the diagnosis of community-acquired pneumonia. Clin Infect Dis 1998; 27:358-363 PMID 9709887