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Arterial Doppler
Also called ABI, is a comparison of blood pressures of the arms and ankles. May involve a short walk on the treadmill, followed by an ultrasound to evaluate blood flow in the legs.
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Cardiac Calcium Scoring
A cardiac calcium score is a screening tool that measures how much calcified plaque is present in the heart arteries of an individual. There is a direct correlation between the amount of calcium in these arteries and the likelihood of a future cardiac event such as heart attack or stroke.
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Carotid Doppler
An ultrasound to evaluate blood vessels in the neck that lead to the brain.
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Computed Tomography Angiography (CTA)
CTA is an x-ray technique that produces a more detailed image of the body's organs than regular x-ray. CTA detects:
- Presence of plaque in vessels of the heart or elsewhere in the body
- The quality of that plaque (soft, unstable, more likely to rupture or more stable and hardened)
- Presence and amount of calcium build-up in the vessels of the heart or elsewhere in the body
- Cause of atypical chest pain
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Doppler Studies
The use of ultrasound waves to learn about blood flow.
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Echocardiography
This is an ultrasound test that sends sound waves into the chest to rebound from the heart's walls and valves. The recorded waves show the shape, texture and movement of the valves on an echocardiogram. They also show the size of the heart chambers and how well they're working.
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Electrocardiograms (ECG)
A test that records your resting heart rhythm and is used to help physicians diagnose arrhythmias.
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Fetal Echocardiography
A very detailed evaluation of an unborn baby’s heart using ultrasound to study the structure of the heart. This helps the physician to determine if the baby might be born with a congenital heart defect.
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Holter Monitoring
Usually conducted over a 24-hour period while the patient goes about his or her usual daily activities. It is a continuous recording of the electrocardiogram, which is useful for detecting arrhythmias that may not appear during a resting electrocardiogram.
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Nuclear Cardiology
Imaging tests using small, safe amounts of radioactive medicine to evaluate heart function or blood flow.
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Renal Artery Doppler
An ultrasound to evaluate the blood flow from the aorta to the kidney.
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Signal Averaged Electrocardiograms
Also called a high-resolution ECG or late potential study. This test determines if a person is at risk of ventricular arrhythmia, a dangerous rhythm that can lead to sudden cardiac death. Computers are used to amplify and enhance the ECG signal. Small electrical currents, called ventricular late potentials, can be recorded with a signal-averaged ECG.
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Stress Echocardiography
Performed in conjunction with a stress test to evaluate the heart muscle at rest and immediately after exercise.
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Stress Testing
Also known as an exercise test or treadmill test, is a test in which EKG and blood pressure readings are monitored while walking on a treadmill.
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Transesophageal Echocardiography (TEE)
A special type of ultrasound imaging procedure. A transducer placed on the end of a tube is passed down a person's throat and into the esophagus. The esophagus is close to the heart, and images from TEE can give very clear pictures of the heart and its structures.
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Transtelephonic Pacemaker Monitoring
Used to record heart rate and rhythms for brief periods, which are sent to a recorder by telephone
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Venous Doppler
An ultrasound to evaluate the veins of the arm or leg for blood clots.
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