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In response to the growing need for faster and more accurate detection of heart disease, a company called Premier Heart has developed a new approach to the ECG. Their system, which is known as the Multifunction Cardiogram (MCG) is used to diagnose and detect the presence of myocardial ischemia, also known as angina. The presence of this condition is caused by a temporary lack of oxygen rich blood within the heart. In its most unstable state, myocardial ischemia is very dangerous and requires immediate medical treatment.

With upwards of seven million deaths occurring annually due to coronary artery disease, Premier Heart is interested in developing non-invasive testing that allows for the stress-free detection of this condition. Their new MCG technology is more accurate in detecting myocardial ischemia early on, which makes it much easier for cardiologists to take interventional steps to save lives.

A radical departure from traditional testing on EKG machines, Premier’s MCG technology incorporates a mathematical model of the patient’s entire cardiac system, allowing doctors to derive more accurate information from one simple test.

MCG works by digitally recording a patient’s resting ECG data from an EKG machine, and then transmitting it to their data center via a secure Internet connection. When this information arrives at the diagnostic system, a series of mathematical calculations are applied to it, which reveals a more dimensional picture of the patient’s heart functions.

The system then makes a diagnosis, as well as a specific set of existing conditions that may contribute to that diagnosis and guidelines for further treatment and testing. Many physicians and cardiologists have added this multifunctional capability to augment the functionality of their existing EKG machines, which has contributed to a wider acceptance of MCG in the field of cardiology.

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Before an electrocardiogram machine can be used in a medical environment, it must first be manufactured and assembled. Each of the various components of the machine are manufactured separately and assembled in one location before the machines are packaged for shipment to distributors.

Some EKG machines use magnetic tape recorders in conjunction with printers, which are supplied by external manufacturers, but the computer microprocessors within these machines can be designed and manufactured alongside other internal components.

Using the latest techniques in electronic processing, EKG machines are technologically advanced in their design. Both the output device and amplifier start with a circuit board, which has its own unique electronic configuration. After passing through an assembly process where the appropriate diodes, chips and capacitors are stripped in, the circuitry is ready for the soldering of electronic components. Once the process of filling in capillary spots with molten solder is complete, the board is cooled to allow the solder to harden in place.

One of the key elements of any EKG machine is its electrodes, the most common of which is the silver chloride electrode, because it remains stable with exposure to biological tissues. In many cases, a selection of different types of electrodes will be included with one EKG machine, each with its own shielded cable for attachment to the main unit.

After all components of an EKG machine are in place and operable, but before it can be prepared for sale, it undergoes a series of visual and automated inspections to ensure it works properly.

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Doctors use electrocardiogram (EKG) testing to evaluate the symptoms of heart disease and rule out other serious illnesses.

As EKG testing has grown, so has its uses in medicine. Patients are usually tested with an electrocardiogram when they exhibit the following symptoms:

* Fatigue or weakness
* Shortness of breath
* Chest pain
* Racing or fluttering heart
* Unusual sounds coming from the heart

Also, with people over 40, EKG testing is often used as a part of a routine medical exam, to screen patients for heart disease before symptoms begin. Doctors are more likely to look for early signs of heart disease when a person has had a family history of the disease, especially if that history has occurred in their immediate family. In addition to preventive testing, doctors will also use an EKG machine at routine doctors’ visits to find out how well a heart treatment or medication is working.

Using an EKG machine, doctors record a few minutes’ worth of heart signals at a time, and base their recordings on a 12-lead ECG. The downside to this type of testing is that it only records a few minutes of time. Since so many heart conditions are not occurring all of the time, this type of test is insufficient in detecting these problems. In cases like these, different types of EKG machine testing is done, including stress tests, Holter monitors and event monitors. These tests are able to analyze heart rhythms over longer periods of time, or while the heart is under stress.

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