different types of ecg readings


How to Build a Card Reader

Have you ever sat there looking at your credit card or driver’s license and wondered what on earth could be stored on that tiny magnetic strip? Now you can find out for yourself by building your own magnetic strip card reader at home for less than $30 and it will connect to your personal computers’ […]



How to Read a Vernier Scale on the Theodolite

Perhaps you have seen a team of surveyors decked out in their orange vests along the roadside viewing the land through what looks like a telescope. That telescope is actually a theodolite, a tool used to measure angles that is not exclusive to surveying crews. Since the 17th century, theodolites have been the primary tool […]



How to Read an Oil Tank Gauge

If you think your boiler, warm air furnace or water heater has stopped working, the first thing you want to check is the oil tank gauge. By finding and reading your oil tank gauge, you can figure out if the heating appliance in your home is broken or if your tank is out of fuel. […]



What Is a Microfiche Reader?

To understand a microfiche reader, you must understand what microfiche is. Microfiche is a storage medium, similar to microfilm. It is a collection of single sheets of film, filled with tiny images of documents or reports that must be read using a special piece of equipment called a microfiche reader. Microfiche was widely used by […]



What Does a Normal EKG Reading Look Like?

EKC or ECG stands for electrocardiogram. It is a recorded visual representation of the electrical impulses in the heart that make it beat. Physicians use EKGs to diagnose potential illness within the heart. This depends on observing deviations from the normal EKG reading, which is used as a baseline for diagnosis. EKG Electrodes Normal Sinus […]



How to Read a Rim Size

Most rims come with three common sizes stamped or cast into the back side of the hub. These are the most important sizes to determine if the rim will fit the tire and the vehicle you want to put it on. However, there are two other measurements that are often disregarded, and these can be […]



How to Read a Ford Truck Axle Tag

Ford truck axles are identified by a small tag attached to the differential casing on the rear axle in most cases. The only axles that are marked differently are ones made by Dana. The same markings are used but they are placed on the casing and the long shaft of the axle rather then the […]



How to Read Grain Direction in Wood

Whenever you are cutting, sanding, painting or staining wood, knowing the direction in which the grain of the wood travels is vital to success. Performing any of these tasks against the grain of the wood will create an uneven, rough and unattractive finish that will mar the surface of whatever you intend to use the […]



How to Read a Tri-Fold Brochure

With attention-grabbing graphics, layout and wording, brochures are designed to get your attention and keep it. Tri-fold brochures are a way to advertise goods or give out information on a product. They are called tri-fold because these brochures are folded into three panels. Information on the brochures is laid out in a way that makes […]



Jobs That Require a Lot of Reading

Individuals can choose jobs which require a great deal of reading. Some individuals seek reading jobs because they want to work alone. Other individuals enjoy working with words, but enjoy spending time with other people, such as a book editor who works with book designers, printers and clients. Some of these reading-related career opportunities are […]



How to Interpret Megohmmeter Readings

Megohmmeters, or meggers, are testing meters used to measure the current leakage from an electrical cable by means of administering an insulation-resistance test. A megger sends voltage through a cable and measures any current leakage in megohms (1,000 ohms). Routine megger tests of aged electrical cable is a prudent way to ensure your circuits are […]



How to Read a MRI

MRI stand for Magnetic Resonance Imaging. MRIs offer an excellent look at the anatomy and tissues inside a person’s body, with a level of detail that is far better than other methods such as X-rays or ultrasound. One advantage of an MRI is that it is able to take many images from different areas, as […]



How to Read a 12-Lead EKG

An electrocardiogram, also known as an EKG or or ECG, is used in the diagnosis and assessment of cardiac activities. Medical and health professionals should have an in-depth knowledge in the interpretation of ECGs. A 12-lead ECG examines the electrical activity of the heart from12 points of view, which makes it efficient for diagnosing heart […]