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There have been many developments in instrumentation, and they are not covered here at all. Today's ECG machines often provide computerized interpretation, for example. Lou Sander 13:30, 26 March 2007 (UTC) Yes they do. In fact, the GE-Marquette 12SL ECG interpretive algorithm is the industry standard.
Electrocardiography is the process of producing an electrocardiogram (ECG or EKG [a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4] It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [ 5 ] using electrodes placed on the skin.
The manufacturing industries of ECG machines is now entirely digital, and many models incorporate embedded software for analysis and interpretation of ECG recordings with 3 or more leads. Consumer products, such as home ECG recorders for simple, 1-channel heart arrhythmia detection, also use basic ECG analysis, essentially to detect abnormalities.
The ILR is a useful diagnostic tool to investigate patients who experience symptoms such as syncope (fainting), seizures, recurrent palpitations, lightheadedness, or dizziness not often enough to be captured by a 24-hour or 30-day external monitor.
Each Holter system has hardware (called monitor or recorder) for recording the signal, and software for review and analysis of the record. There may be a "patient button" on the front that the patient can press at specific instants such as feeling/being sick, going to bed, taking pills, marking an event of symptoms which is then documented in the symptoms diary, etc.; this records a mark that ...
One Florida man has set himself miles, or rather feet, apart from his neighbors this holiday season by constructing a massive replica of a classic Christmas film.
Still, the real predictive value of these findings is questioned. Late potentials may be found in 0-10% of normal volunteers. When used as a prognostic factor for the development of ventricular tachycardia, they have a sensitivity of 72% and a specificity of 75%, yielding a positive predictive value of 20% and a negative predictive value of 20%.
[citation needed] In 1998, however, he sold Marquette Electronics (by then known as Marquette Medical Systems) to GE for $810 million. [5] The company exists today as part of the Clinical Systems division of GE Healthcare, a subsidiary of the American conglomerate. After stepping aside at his company, Cudahy focused his energies on philanthropy ...
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