Reliability of test results Fair. Specificity is poor. Other tests, studies and c Patient time for test 15-20 minutes. Before the test Purpose of test Helps evaluate left-ventricular function. Helps identify effects of ventricular enlargement, heart failure and disease of the heart valves.
Helps identify heart sounds.
Commercial laboratory, hospital, doctor's office, outpatient or free standing surgical facility. Lab technician, nurse, doctor. Risks and precautions None. No changes necessary. No changes necessary.