The persistent left superior vena cava may complicate the placement of vascular access. It rarely occurs with an absence of the right superior vena cava. We present a chest X-ray of a patient with this rare anomaly that was demonstrated incidentally with an unusual course of a pulmonary artery catheter course.
Keywords: Absence of right superior vena cava, cardiovascular and thoracic anaesthesia, persistent left superior vena cava, unusual course of a pulmonary artery catheter, vascular access difficulty