| cardiogram | 1. The graphic tracing made by the stylet of a cardiograph. 2. Generally used for any recording derived from the heart, with such prefixes as apex-, echo-, electro-, phono-, or vector-being understood. Origin: cardio-+ G. Gramma, a diagram Oesophageal cardiogram, tracing of left atrial contractions made by recording displacements of the column of air in a sensor-equipped oesophageal tube. (05 Mar 2000) |
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