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An 80-year-old man underwent permanent dual-chamber pacemaker implantation for his sick sinus syndrome. During the implantation procedure, the patient complained of mild shortness of breath after left subclavian vein puncture. Under fluoroscope, mild left pneumothorax was found. There was an airspace subsequently interposing between the main pulmonary artery and left atrial appendage with mild protrusion …
Competing interests None.
Patient consent Obtained.
Ethics approval This is a case report, not a clinical trial or a study.
Provenance and peer review Not commissioned; internally peer reviewed.