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Cardiology is a medical specialty dealing with disorders of the heart. The field includes diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease and electrophysiology. Physicians specializing in this field of medicine are called cardiologists. Cardiologists should not be confused with cardiac surgeons, cardiothoracic and cardiovascular, who are surgeons who perform cardiac surgery via sternotomy – open operative procedures on the heart and great vessels. The Department of Cardiology provides a wide range of cardiac diagnostic services. Primary care physicians or Cardiologists may refer patients to the Department of Cardiology for diagnostic testing. Please familiarize yourself with the procedures and tests available. Primary care physicians should consult a staff cardiologist if they require more information on the utilization of a procedure for a particular patient. Ordering cardiology procedures All orders for cardiology tests must be in writing. For all patients, the unit clerks will enter these orders into the hospital computer system.  Diagnostic tests performed


  1. EKG (ECG) — Electrocardiograms, routine 12 lead ECGS are performed and interpreted by a staff cardiologist.
  2. Signal Average EKG Testing — This is a computer recording of multiple heart beats that are superimposed on each other for the purpose of anlayzing heart rhythm disorders.
  3. Echo with Dopler — Color Doppler, pulsed wave Doppler and continuous wave Doppler are all used in the evaluation of blood flow through the heart. All Doppler procedures are saved on videotape for interpretation and later viewing.
  4. Transesophageal Echocardiography — TEE enables echographic visualization of the heart and aorta from the level of the esophagus and stomach via a transducer mounted on a flexible endoscope inserted esophageally.
  5. Regular Stress Test — Cardiac stress testing is used to evaluate myocardial response to various, controlled levels of exercise. Patients are closely monitored during exercise and changes in heart rhythms and rate are recorded.

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Seton Medical Center Harker Heights does not discriminate against any person on the basis of race, color, national origin, disability, or age in admission, treatment, or participation in its programs, services and activities, or in employment. For further information about this policy, contact: our Patient Advocate at 254-680-6210.

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