Items tagged “uoe”

12 results found
Article

Symptomatic pneumothorax (summary)

This is a basic article for medical students and other non-radiologists Pneumothoraces (singular: pneumothorax) are collections of gas within the pleural space. If the pneumothorax is under pressure, it is called a tension pneumothorax. Reference article This is a summary article; read more i...
Article

Tension pneumothorax (summary)

This is a basic article for medical students and other non-radiologists Tension pneumothoraces are pneumothoraces under pressure. If the pressure gets high enough, the pneumothorax can compress the heart and great vessels, and even cause cardiac arrest. Clinical presentation Presentation is u...
Article

Pleural effusion (summary)

This is a basic article for medical students and other non-radiologists Pleural effusions are collections of fluid within the pleural space. The term is usually reserved for collections of serous fluid and therefore excludes hemothorax, chylothorax, and pyothorax (empyema). Effusions may cause ...
Article

Lobar collapse (summary)

This is a basic article for medical students and other non-radiologists Lobar collapse is relatively common and occurs following obstruction of a bronchus. Gas is resorbed from the lung parenchyma distal to the obstruction resulting in the collapse of the lung, with volume reduction and negativ...
Article

Chest x-ray: ET tube position (summary)

This is a basic article for medical students and other non-radiologists Chest x-ray ET (endotracheal) tube position should be assessed following initial placement and on subsequent radiographs. Reference article This is a summary article; we have a more in-depth reference article, see ETT. S...
Article

Investigating focal weakness (summary)

This is a basic article for medical students and other non-radiologists Investigating focal weakness makes up a large proportion of workload for neurologists and neuroradiologists. A wide range of serious CNS disorders can present with focal weakness. Appropriate timely imaging can guide diagno...
Article

Atelectasis (summary)

This is a basic article for medical students and other non-radiologists Atelectasis describes loss of lung volume secondary to collapse. It has many causes, the root of which is bronchial obstruction with absorption of distal gas. Atelectasis may be subsegmental, segmental, lobar, or involve th...
Article

Pneumothorax (summary)

This is a basic article for medical students and other non-radiologists Pneumothorax describes gas within the pleural space. This may occur because of a number of reasons and may be spontaneous. Patients will not always be symptomatic and treatment will depend on the cause. Pneumothoraces may b...
Article

Pleural fluid (summary)

This is a basic article for medical students and other non-radiologists Pleural fluid describes fluid within the pleural space. Fluid may be simple fluid, pus, hemorrhage and therefore is a broad description that includes, but not synonymous with pleural effusion. Pus in the pleural space may b...
Article

Air-bronchogram (summary)

This is a basic article for medical students and other non-radiologists Air-bronchograms are gas-filled bronchi surrounded by alveoli filled with fluid, pus or other material. It is a very useful sign because it is highly sensitive and specific for the presence of lung consolidation rather than...
Article

Increased cardiothoracic ratio (summary)

This is a basic article for medical students and other non-radiologists Increased cardiothoracic ratio describes widening of the cardiac silhouette on a chest radiograph. This is only of use when making an assessment of a PA chest x-ray since the AP chest x-ray causes the artefactual magnificat...
Article

CVC position on chest x-ray (summary)

This is a basic article for medical students and other non-radiologists Chest x-ray CVC (central venous catheter) position should be assessed following initial placement and on subsequent radiographs. Reference article This is a summary article; for a more in-depth reference article see centr...

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