a guitar which when positioned in contact with the upper body will register graphically the comparative length of time and strength of the hearts moves
- medical tool that records electric currents associated with contractions associated with the heart
- a medical instrument that measures the technical force of cardiac contractions therefore the level of blood driving through heart during a specified duration by measuring the recoil associated with human anatomy as blood is pumped from ventricles
- An instrument which, whenever put into experience of the upper body, will register graphically the relative extent and strength regarding the heart's motions.
1867, from cardio- + -graph "some thing written." Although the work will not treat of present means of diagnosis--the thermometer, laryngoscope, cardiograph, etc.,--still its total in terms of it goes. [book analysis in "healthcare Investigator," May 1867, p.94]