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.
An otoscope is inserted into the ear canal to check the health of a patient's ears. The otoscope -- also called an auriscope -- has a bright light and magnifying glass, allowing doctors to look deep inside the ears. Doctors use otoscopes to examine a patient's ear.View slideshow of images above.s part of a regular exam, the otoscope is used to check the health of the patient's ears. The examination may reveal a hidden problem which should be dealt with before it becomes worse. An otoscope is also used to examine the ears of a patient when he or she has symptoms indicating a problem with the ears.