Plano Heart Center provides the following services at their office:
Nuclear Stress Test
A nuclear stress test (also known as myocardial perfusion scan or cardiac nuclear imaging) is a test to determine if your heart muscle is getting the blood supply it needs. Your heart receives oxygen-rich blood from vessels called coronary arteries. If these arteries become partially blocked, your heart may not receive the blood it needs to function properly. This often results in chest pain but sometimes there may be no outward physical signs of the disease. The nuclear stress test uses a radioactive substance, known as a tracer, to produce images of the heart muscle. When combined with an exercise test, the nuclear scan helps determine if any areas of the heart are not receiving enough blood (a condition called ischemia). In many cases, the doctor will use two tracers, one (usually Thallium) for the resting scan and the other (Myoview or Cardiolite) for stress scan. This is called dual-isotope imaging;
The physician will discuss the results at the completion of the test and advise follow up treatment. If the nuclear scan was abnormal, the physician may advise a cardiac catheterization.
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Echocardiogram of the heart
An echocardiogram (often called "echo") is a graphic outline of the heart's movement. During this test, high-frequency sound waves, called ultrasound, provide pictures of the heart's valves and chambers. This allows the echo technician to evaluate the pumping action of the heart. Echo is often combined with Doppler ultrasound and color Doppler to evaluate blood flow across the heart's valves.
The echocardiogram procedure uses the same technology used to evaluate a baby's health before birth. A hand-held device called a transducer is placed on the chest and transmits high frequency sound waves (ultrasound). These sound waves bounce off the heart structures, producing images and sounds that can be used by the doctor to detect heart damage and disease.
Echocardiography is an invaluable tool in providing the doctor with important information including
size of the chambers of the heart, pumping function of the heart, and structure and function of each heart valve.
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Stress Echo-Cardiogram
This is an echocardiogram (see above) that is performed in combination with
exercise on a treadmill. This test can be used to visualize the motion of
the heart's walls and pumping action when the heart is stressed. It may
reveal a lack of blood flow that isn't always apparent on other heart tests.
Exercise stress testing usually employs the "Bruce" protocol, Exercise is started at a slower "warm-up" speed. The speed of the treadmill and it's slope or inclination is increased every 3 minutes. The treadmill is
usually stopped when the patient exceeds 85% of the target rate (based upon
the patient's age). EKG recordings are made during every minute of exercise and then again after exercise is stopped.
Immediately after stopping the treadmill, the patient moves directly to the
examination table and lays on the left side. The Echo examination is
immediately repeated. A video clip of multiple views of the resting and
exercise study are compared side-by-side and analyzed by the physician.
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Holter/Event Monitoring, Arrythmia detection
A Holter monitor is a small, wearable device that
you usually wear for 24-hours, and during that time, the device will record all of your heartbeats.
The Holter monitor has electrodes that are attached to your chest with adhesive and then are connected to a recording device.
The doctor uses information captured on the Holter monitor's recording device to figure out if you have a heart rhythm problem.
Ambulatory Blood-Pressure Monitoring
An ambulatory blood pressure monitor is a small device which you wear on a
belt. The blood pressure cuff, worn under your clothes, is connected to the
device and automatically checks your blood pressure every 1-2 hours, even
while you are sleeping. After 24 hours of monitoring, you will take the
device to the doctor's office. The blood pressure information is transferred from the
device to a computer. Your doctor will review the information with you and decide if your treatment program is working or if you need to make changes.
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