JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY
Vital signs monitor. Screen display of a vital signs monitor (top) in an intensive care unit. Also seen is a monitor displaying a spread sheet of the vital signs. The coloured moving traces are from top: heart rate (green); arterial blood pressure (ABP, red); central venous pressure (CVP, light blue); pulmonary artery pressure (PAP, yellow); blood oxygen (PLETH, darker blue); respiration rate (white). In order to obtain these vital signs the patient is attached to electrocardiograph chest electrodes, pulsemeter and a blood gas probe. If any of these signs become abnormal an alarm will sound.
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