For many patients with cardiac problems there is a need to have an electrocardiogram, which is an ECG, the sometimes abbreviated German word Elektrokardiogramm is also called an EKG. In order to get an electrocardiogram, a special device called an electrograph is used. It registers the amount of voltage in a patient's heart and is considered to be the primary device for cardiologists.
The main idea behind measuring the amount of voltage in a patient's heart is to record the potential between different points on a patient's body. This is achieved by placing special electrodes, which are called leads on the human body.
There are pretty simple models of electrocardiographs with only three electrodes. But, the information that they give is inaccurate in most cases about the patient's heart. Therefore, such devices are only used as mobile devices to discover series cardiac problems. The modern information technology allows combining such a simple cardiograph with mobile phones for example. Therefore, when a person has a heart attack this device can send an SOS to the nearest hospital.
And of course to get more detailed cardiograms, doctors in hospitals electrographs with a greater number of electrodes. Usually, electrocardiographs have six or more electrodes and the most common number of electrodes that electrocardiographs have is twelve. The actual placement of these electrodes depends on the results that the doctor wants to achieve.
For example, the procedure can be performed simply to discover whether the patient's heart is working normally or if there are serious problems. If some monitoring of some cardiac disease is involved, then the placement of the electrodes can be different.
Reading the actual measurements of an electrocardiograph isn't that easy to do. There is a standard graph that shows what a normal electrocardiogram should look like. Therefore, the doctor should compare a normal electrocardiogram with a normal electrocardiogram to find out the difference by showing if all of the sections of the electrocardiogram are there and if all the ratios are right. Certain different signs show the signs of different problems. And, if some of these signs appear on an electrocardiogram, then the doctor performs another electrocardiogram with other conditions to discover the degree of the disease.
On the modern market, you can find a number of companies that produce different electrocardiographs but it is better to choose from the products of well known manufactures. One of these producers is the Cardiofax Company. It offers a variety of different devices for different purposes from pretty simple mobile devices from very complex devices for hospitals. One of the most popular products of this company is the ECG 9100 series electrocardiographs family. For a long time now, ECG 9100 series electrocardiographs have been used by professional in different areas of medicine. And this long use has proven that ECG 9100 series electrocardiographs are informative and reliable devices. The number of options that the ECG 9100 series electrocardiographs is pretty impressive because they have paper and LCD output as well as a special card to store information.