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Pulmonary oedema: Difference between revisions
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(Created page with "'''Pulmonary oedema''' refers to accumulation of fluid in the alveoli. == Etiology == We distinguish cardiogenic and non-cardiogenic causes of pulmonary oedema: * Cardiogenic causes ** Acute heart failure ** Acute aortic stenosis ** Acute mitral regurgitation * Non-cardiogenic causes ** Acute respiratory distress syndrome ** High altitude ** Vaping products ** Opioid overdose == Pathomechanism == In cardiogenic pulmonary oedema, elevated pulmonary...") |
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'''Pulmonary oedema''' refers to accumulation of fluid in the alveoli. | <section begin="radiology" />'''Pulmonary oedema''' refers to accumulation of fluid in the alveoli. It may be very severe and life threatening, but in most cases it's not. | ||
== Etiology == | == Etiology == | ||
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** Vaping products | ** Vaping products | ||
** [[Opioid]] overdose | ** [[Opioid]] overdose | ||
<section end="radiology" /> | |||
== Pathomechanism == | == Pathomechanism == | ||
In cardiogenic pulmonary oedema, elevated pulmonary capillary pressure causes extravasation of fluid from pulmonary capillaries. | In cardiogenic pulmonary oedema, elevated pulmonary capillary pressure causes extravasation of fluid from pulmonary capillaries. | ||
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== Clinical features == | == Clinical features == | ||
Dyspnoea is the most common symptom in pulmonary oedema. It may also cause hypoxaemia and orthopnoea. | Dyspnoea is the most common symptom in pulmonary oedema. It may also cause hypoxaemia and orthopnoea. | ||
<section begin="radiology" /> | |||
== Diagnosis and evaluation == | == Diagnosis and evaluation == | ||
Imaging is important to evaluate pulmonary oedema. On a chest radiograph, one can see the following findings: | Imaging is important to evaluate pulmonary oedema. On a chest radiograph, one can see the following findings: | ||
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** Due to redistribution of blood flow to the upper lung | ** Due to redistribution of blood flow to the upper lung | ||
* [[Pleural effusion]] | * [[Pleural effusion]] | ||
<section end="radiology" /> | |||
<noinclude>[[Category:Pulmonology]] | <noinclude> | ||
[[Category:Cardiology]]</noinclude> | [[Category:Pulmonology]] | ||
[[Category:Cardiology]] | |||
</noinclude> | |||