The test also will help your doctor find out if there are: 1  Problems with the outer lining of your heart (the pericardium). 2  Problems with the large blood vessels that enter and leave the heart. 3  Blood clots in the chambers of your heart. 4  Abnormal holes between the chambers of the heart.
Part of the Electronics glossary: An oscilloscope is a laboratory instrument commonly used to display and analyze the waveform of electronic signals. In effect, the device draws a graph of the instantaneous signal voltage as a function of time.
Freebase (0.00 / 0 votes) Rate this definition: Oscilloscope An oscilloscope, previously called an oscillograph, and informally known as a scope, CRO, or DSO, is a type of electronic test instrument that allows observation of constantly varying signal voltages, usually as a two-dimensional graph of one or more electrical potential differences using the vertical or yâaxis, plotted as a function of time.