What is a resting EKG?
A resting EKG (electrocardiogram), also known as an ECG, is a non-invasive diagnostic test that measures the electrical activity of the heart while the person is at rest. A resting EKG is a commonly performed test that helps evaluate heart function and detect certain heart conditions, such as arrhythmias, myocardial ischemia (reduced blood flow to the heart), heart blockages, and other cardiac abnormalities.
Why is a resting EKG performed?
It is often used as a baseline test, especially for individuals with a history of heart disease or those experiencing symptoms such as chest pain, palpitations, or shortness of breath.
What can you expect during a resting EKG?
- Preparation: Before the EKG, you will be asked to remove any clothing from the waist up and wear a hospital gown to ensure easy access to the chest area. Men may need to have their chest hair shaved in certain areas to ensure proper electrode placement.
- Electrode Placement: The technician or healthcare professional conducting the EKG will attach small, adhesive electrode patches to specific locations on your chest, arms, and legs. These electrodes are connected to the EKG machine and detect the electrical signals generated by the heart.
- Resting Position: You will be asked to lie down comfortably on an examination table or bed. It's important to remain still and relax during the test to minimize any interference or artifacts on the EKG recording.
- EKG Recording: Once you are in the proper position, the EKG machine will be activated. It will measure the electrical impulses of your heart, which will be displayed as a series of waveforms on a monitor or printed on paper. The recording usually takes a few minutes, during which the technician may instruct you to hold your breath briefly or remain still to obtain clear and accurate readings.
- Completion: Once the EKG recording is complete, the electrodes will be removed from your chest, arms, and legs. The test is generally painless and does not involve any significant risks or side effects.
- Interpretation: The recorded EKG tracings will be analyzed by a healthcare professional, typically a cardiologist or a healthcare provider trained in EKG interpretation. They will assess the heart's electrical activity, looking for abnormalities in the rhythm, rate, or conduction of the heart.
It's important to note that while a resting EKG can provide valuable information about heart health, it has its limitations. Some heart conditions may require additional tests, such as exercise stress testing, echocardiogram, or cardiac catheterization, to provide a more comprehensive evaluation. Your healthcare provider will interpret the EKG results and discuss any further diagnostic steps or treatment recommendations based on the findings.