Volume 121, Issue 3, Pages 993-996 (March 2002) Coronary Artery Air Embolism Complicating a CT-Guided Transthoracic Needle Biopsy of the Lung  Mokhlesi Babak , MD, Ansaarie Imraan , MD, Bader Mazen , MD:, Tareen Mona , MD, Boatman James , MD  CHEST  Volume 121, Issue 3, Pages 993-996 (March 2002) DOI: 10.1378/chest.121.3.993 Copyright © 2002 The American College of Chest Physicians Terms and Conditions

Figure 1 Top: 12-lead ECG showing an acute lateral and inferior wall myocardial infarction with a new right bundle-branch block and right-axis deviation. Bottom: 1 h later, a 12-lead ECG showing normal QRS duration and resolving ST-segment changes. CHEST 2002 121, 993-996DOI: (10.1378/chest.121.3.993) Copyright © 2002 The American College of Chest Physicians Terms and Conditions

Figure 2 Transverse CT scans of the chest without contrast with the patient in prone position obtained during the needle biopsy of a right lower lobe mass. Top left, A: gray arrow represents the lung mass, and the white arrow points to a pulmonary vein draining into the left atrium. Top right, B: air in the pulmonary vein (gray arrow) and left atrium (white arrow). Bottom left, C: the air embolus has traveled to the left ventricle (white arrow) and the aorta (gray arrow). Bottom right, D: air in coronary arteries (black arrow). CHEST 2002 121, 993-996DOI: (10.1378/chest.121.3.993) Copyright © 2002 The American College of Chest Physicians Terms and Conditions