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Last updated: 11/24/2009
Electrocardiography is a commonly used, noninvasive procedure for recording electrical changes in the heart. The record, which is called an electrocardiogram (ECG or EKG), shows the series of waves that relate to the electrical impulses that occur...
during each beat of the heart. The results are printed on paper and/or displayed on a monitor to provide a visual representation of heart function. The waves in a normal record are named P, Q, R, S, and T, and follow in alphabetical order. The number of waves may vary, and other waves may be present.
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This narrated animation shows how blood flows through the various chambers of the heart and the electric system that controls the heart muscle's pumping action.
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An electrocardiogram (ECG or EKG) is a recording of the electrical activity of the heart over time produced by an electrocardiograph, usually in a noninvasive recording via skin electrodes. Its name is made of different parts: electro, because it is related to electrical activity, cardio, Greek for heart, gram, a Greek root meaning "to write". In the US, the abbreviation "EKG" , (abbreviated from the German Elektrokardiogramm) is often preferred over "ECG", while "ECG" is used universally in the UK and many other countries. It is preferred as "EKG" in the US because doctor's handwriting of "ECG" can often be confused as "EEG" when transcribing orders or with echocardiography which is also abbreviated "ECG".
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We are trying to balance those kinds of losses with the profitable side of business, which includes doing more cardiac surgeries. An emphasis has been placed on cardiac care because the medium age of residents is increasing, and more people are showing up with symptoms of heart disease.
-Kevin M. Spiegel
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