Percutaneous transthoracic needle biopsy is a common procedure in interventional radiology. Systemic arterial air embolism causing cerebral infarction is a rare but much feared complication of percutaneous lung biopsy. We present a comprehensive review of iatrogenic air embolism post-lung biopsy, a complication that is often sub optimally managed. Patho-physiology, clinical features, and risk factors and management are reviewed.
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