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The myocardium is the muscular wall of the heart, or the heart muscle. It contracts to pump blood out of the heart, and then relaxes as the heart refills with returning blood. The myocardium’s smooth outer membrane is known as the epicardium. Its inner lining is referred to as the endocardium. Myocarditis is an inflammation […]

HD, or high definition, is creating very a whole lot of interest, on account of some rather high spirited campaigning completed by the cable networks wanting you to purchase HD boxes to watch HD on tv. What you may not be aware of, is the fact that HD is delivered in a widescreen format of […]

The remarkable business of JVC (Victor Business of Japan) released the very first high definition video camera for buyers back in 2003. The GR-HD1 high def camera was the first digital video camera within the world to record and play back high definition images. By utilizing a newly developed 1/3 inch type 1.18 million pixel […]

A although back, Sony, Sharp, Canon and JVC announced the creation of a new high definition video regular for video cameras – HDV. HDV utilizes MPEG-2 image compression having a definition of 1080 lines and a 16:9 aspect ratio. Shortly soon after that, Sony opened the door to high definition by making the very first […]

Most arrhythmias (abnormal heartbeats) neither cause symptoms nor interfere with the heart’s ability to pump blood. Therefore, they usually pose small or no risk. They are able to trigger considerable anxiety if a person becomes conscious of them. You can find some arrhythmias, harmless in themselves which can result in more severe arrhythmias. Any arrhythmia […]