noun. The curve traced by a cardiograph, used in the diagnosis of heart disorders.

noun. undefined

noun. In physiology, a tracing taken with the cardiograph from the beating of the heart.

noun. Any instrumental record made of heart activity, especially the curve or tracing made by a cardiograph. Sometimes used synonymously with electrocardiogram.

noun. The visual output an electrocardiograph produces

noun. a graphical recording of the cardiac cycle produced by an electrocardiograph

"«stroke of luck» was indispensable, even if one is a well-trained experimentator, to obtain a «mechanical» cardiogram from a person, which entirely corresponds with one taken some hours before."