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Central-line associated pneumothorax — RCPSC EM MCQ

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ModerateResuscitation, procedures, airwayCentral-line associated pneumothoraxRCPSC EM

A 40-year-old man requires central venous access for vasopressors. During right internal jugular cannulation he develops acute dyspnoea and pleuritic pain. Oxygen saturation drops to 88% and ultrasound shows absent lung sliding on the right. What is the most appropriate investigation?

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Correct answer: D — Bedside lung ultrasound confirming iatrogenic pneumothorax with assessment for tension physiology

Acute respiratory deterioration during central venous catheter placement with absent lung sliding suggests pneumothorax. Ultrasound rapidly confirms the complication and guides decompression if tension physiology is present.

Reference: Canadian point-of-care ultrasound practice; ACLS