Cardiology Associates Of West Texas


3180 Executive Dr., Suite 102
San Angelo, TX 76904




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                             Services We Offer At Cardiology Associates!

Cardiology Associates of West Texas offers state-of-the-art technology at our office with equipment including EKG, treadmill testing, nuclear stress testing, arterial and venous duplex ultrasound, Holter and event monitoring, rest and stress exercise echocardiography, carotid ultrasound, pacemaker and AICD implantable defibrillator surveillance.

Our professional physicians can learn important information about the function of your cardiovascular system through the use of these noninvasive tests and after close analysis of the tests they can best determine how to treat and or protect your heart health.


Dr. Leon specializes in the circulatory problems of the lower extremities. We perform noninvasive  studies in the offices to assess the blood flow to the arteries and veins of the lower extremities. Dr. Leon can perform minimally invasive non-surgical procedures to restore circulation to the lower extremities.


Cardiology Associates of West Texas can check the general status of your pacemaker or defibrillator (sometimes simply by phone) to make sure it is functioning correctly.


Some patients are asked to wear the Holter monitor. The monitor is a portable device that continuously records the heart's rhythm over a 24 hour period as it monitors all types of arrhythmias and silent ischemia. Along with wearing the device, patients will be asked to keep a diary that the physician uses to match your activities with symptoms and heart rhythms. In addition, The Event Monitor, is available and is a 30 day auto-triggered monitor to catch those occasional symptoms and arrhythmias.

We Offer Service For A Variety Of Heart Problems.



Using sound waves, an echocardiogram produces a picture of the heart and the valves in motion. An image is transmitted as a hand-held device is moved across the chest. It is recorded for analysis by our physicians. These Echocardiograms can reveal the heart strength, heart valve problems, cause of enlarged hearts, as well as congenital heart defects, pericardial disease and effects of coronary disease.


This test offers more diagnostic details about how exercise affects your heart using a combination of treadmill testing and echocardiography.


Treadmill testing evaluates the heart's response to physical exercise and its purpose is to evaluate the heart for blockages of the coronary arteries. The treadmill you will walk on gradually increases in speed and elevation. EKG, heart rate rhythm, blood pressure and symptoms are monitored by a physician, nurse or cardiovascular technician during the test.


Because some patients may not be able to walk on a treadmill safely, we will perform pharmacologic stress testing. A pacemaker, abnormal resting EKG, and certain medications can also interfere with the accuracy of treadmill testing. This involves a 6-minute infusion of a medication called Persantine or a single dose of Regadenoson. When given for stress tests, these increase blood flow to the heart and provides similar information regarding coronary artery disease as does walking on a treadmill.  After that, we take pictures of the heart muscles using a nuclear camera to allow access to the pumping function of the heart, show the size and location of any prior heart attacks and evaluate the pumping function of the heart, nuclear cardiology examinations are used. Nuclear cardiology is widely used to establish the diagnosis of heart disease, measure the disease extent, and plan treatment. These tests are safe and noninvasive.
Imaging uses very small doses of a radioactive imaging agent that is injected into the blood stream. During the examination, you will be asked to rest on a scanning table. A camera will focus on the heart for approximately 10 minutes and measure the amount of imaging material that is taken up by the heart muscle. This is done before and after the treadmill stress test or pharmacological infusion as described above