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Clinical Introduction
An 80-year-old man with a medical history of hypertension, dyslipidaemia, coronary artery disease, alcohol consumption and atrial fibrillation, not anticoagulated, presented to the emergency department with sudden onset of pleuritic chest pain, dyspnoea and fever. Initial blood pressure was 165/93 mm Hg, with a heart rate of 100 beats/min, peripheral oxygen saturation of 91% (FiO2 21%) and an otherwise unremarkable physical examination. Electrocardiography showed sinus tachycardia, without other relevant changes.
A CXR was performed (figure 1).
Question
Which diagnosis is most likely?
Pneumonia.
Acute …
Footnotes
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Contributors All authors contributed to the following: study conception and design, data collection and manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
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