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Transthoracic echocardiography showing pulmonary arteries and arch of aorta
  1. Rahul Chouhan,
  2. Sanjeev Bhoi,
  3. Abhiraj Raveendran
  1. Emergency Medicine, All India Institute of Medical Sciences, New Delhi, Delhi, India
  1. Correspondence to Dr Sanjeev Bhoi, Emergency Medicine, All India Institute of Medical Sciences, New Delhi, Delhi, India; sanjeevbhoi{at}

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Clinical introduction

An 18-year-old male patient with a history of Hodgkins lymphoma came to emergency department with complaint of breathlessness. His respiratory rate was 26/min, room air saturation was 98%, heart rate 120. On examination, his trachea was shifted towards right side and there was decreased air entry on right lung. Chest X-ray (figure 1) and point of care ultrasound were performed (figure 2).

Figure 1

Chest xray PA view.

Figure 2

Echo by point of care ultrasound


What is the tubular structure seen in the ultrasound image?

  1. Septate pleural effusion

  2. Lung cavitation

  3. Arch of aorta

  4. Lung abscess

Answer C: Arch of aorta

The X-ray shows complete opacity of the right lung, suggesting it …

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  • Contributors RC: data acquisition; manuscript preparation. SB: research design; revised the manuscript. AR: prepared the images and literature search.

  • 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.

  • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.