Fig. 3From: Ultrasound-guided insertion of intra-aortic balloon counterpulsation in intensive care: description of the techniquea Passage of the metal guide through the femoral arterial puncture. b Visualization of the passage of the intravascular guide at the femoral artery with a high-frequency linear transducer. c Verification of the metal guide (yellow arrow) in the abdominal aorta with a low-frequency convex transducerBack to article page