bild

MODEL RELEASED. Monitoring heart. Anaesthetist monitoring a patient's heart via a transoesophageal ultrasound during heart surgery. The scan and data from the ultrasound are presented on the screen. Heart rate, temperature, blood pressure, blood oxygenation and carbon dioxide levels are all monitored by the anaesthetist during surgery. (KEYSTONE/SCIENCE PHOTO LIBRARY/CHR 366 ANTONIA REEVE/SCIENCE PHOTO LIBRARY) === ===