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.
Uses of Oscilloscopes. The uses of an oscilloscope are many and varied. The most common use of oscilloscopes is to diagnose electronic equipment malfunctions. Oscilloscopes allow technicians to get a look at what the voltage is doing over time; whether, for example, it is oscillating or not.