Fig. 3From: Pericardiocentesis: ultrasound guidance is essentiala Technique for localization of the internal thoracic vessels (dotted line) using a linear probe along the left parasternal line. b Identification of the internal thoracic vessels (asterisks) on ultrasound; s skin and subcutaneous tissue; r ribs; arrowheads pleural line; L lung. c Color Doppler showing blood flow in the internal thoracic vesselsBack to article page