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Heart disease is the leading cause of death in men and women in the U.S., according to the Centers for Disease Control and Prevention (CDC). To better gauge your risk and check for signs of this potentially dangerous disease, the experts at RescueMD in Allen, Texas, monitor your heart with a noninvasive test called an EKG. This simple test records your heart's electrical activity to give the team vital information about your heart health. For more information, call the office or book an appointment online.



What's an EKG? 

An Electrocardiogram (EKG or ECG) is a diagnostic test that records the electrical activity of the heart over a period of time. It's a commonly performed noninvasive test used to assess the heart's rhythm and electrical conduction system. 

How does an EKG work? 

During an EKG, small electrodes are placed on the skin of the chest, arms, and legs. These electrodes are connected to an EKG machine, which records the electrical signals produced by the heart as it beats. The test is painless and usually takes just a few minutes to complete.

The heart's electrical activity is what triggers the heart muscle to contract and pump blood throughout the body. The EKG records this activity as waves or patterns on graph paper or on a screen. Each wave corresponds to a specific electrical event in the heart's cycle.

Why might I need an EKG?

The physicians at RescueMD interpret the EKG tracing to assess the heart's rhythm, rate, and other parameters. They look for abnormalities such as irregular rhythms (arrhythmias), conduction delays, signs of heart attacks, and structural abnormalities.

EKGs are used in the diagnosis and management of various heart conditions, including:


  • Arrhythmias: Irregular heart rhythms such as atrial fibrillation, ventricular tachycardia, or bradycardia.
  • Coronary artery disease: Signs of reduced blood flow to the heart muscle due to blocked or narrowed arteries.
  • Heart attacks (myocardial infarctions): Abnormal patterns on the EKG may indicate damage to the heart muscle.
  • Cardiomyopathy: Enlargement or thickening of the heart muscle.
  • Electrolyte imbalances: Abnormal levels of potassium, calcium, or other electrolytes can affect the heart's electrical activity.


In addition to diagnosing heart conditions, EKGs are also used for continuous monitoring of patients in hospital settings, especially those at risk for arrhythmias or heart attacks.

Overall, EKGs are valuable tools in cardiology for diagnosing and monitoring a wide range of heart conditions. However, they are just one part of the diagnostic process, and results should be interpreted in conjunction with other clinical findings and tests.

RescueMD is pleased to offer EKG testing in-office to our patients located in Allen, Frisco, Plano, McKinney, Dallas, and the surrounding areas. To book your EKG appointment, call the office or use the online scheduling tool.


945 Stockton Drive, Ste #6100
Allen, TX 75013
Phone: 972-449-7940
Fax: 972-390-1557

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