(^74) Medical-Surgical Nursing Demystified
HOW DOES THE TEST WORK?
Sound waves are directed to and deflected by the heart, causing an echo that is
detected by the echocardiograph, which is interpreted by a physician.
WHAT TO DO?
- Describe the procedure to the patient.
- The patient must lie still for 30 minutes during the test to ensure an accurate
picture of the structures of the heart.
Nuclear Cardiology
WHY IS IT GIVEN?
These tests determine myocardial perfusion and contractility of the heart, ischemia,
infarction, wall motion, and ejection fraction.HOW DOES THE TEST WORK?
Radioisotopes are injected through the IV. The radiation detector monitors the flow
of the radioisotope as it flows through the heart.WHAT TO DO?
Before the test:- Obtain written consent from the patient to ensure he or she understands the
risks of the test. - Explain the test to the patient, emphasizing that the patient must lie still dur-
ing the test.
After the test: - Determine if there is bleeding at the injection site.