what is the average reading for systolic pressure


How to Read a Megger

In order to measure the insulation resistance in electrical wiring and electrical motors, electricians use the megohmmeter, also known as a megger. It differs from an ohmmeter in that, unlike the ohmmeter, it is able to measure resistances in ohm values of more than one million. This capacity is practical when measuring resistance in high-voltage […]



How to Read a Line of Tab-Delimited Text in VBA

Being able to read a line of tab-delimited text using Visual Basic for Applications and parsing each of the words can make your VBA application more dynamic. Often programmers need to read tab-delimited files and display the contents of those files. In VBA, use the “OpenTextfile” method to open a text file that contains tab-delimited […]



How to Read a Navionics Card on a PC

Reading a Navionics card from the comfort of your personal computer enables you to check your Navionics maps from home. Accomplish this by using a USB-compatible Navionics map card reader that enables you to connect your Navionics map card to your computer's USB ports. The linking process typically takes less than five minutes to complete. […]



How to read a web page using Python

This will show you how to read a web page from a python script given a URL. Install the python builder from here. It is free. http://www.python.org/download/releases/2.5.2/ After you have installed Python you can run it from the start menu Python 2.5 – IDLE (Python GUI) Once the application opens, it looks like notepad. Select […]



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 Fan Belt Numbers

A “fan belt” is also called a “v-belt” because it is shaped like the letter “V.” This belt is made of rubber, and powers everything from your vehicle’s water pump to the alternator. When this belt breaks, stretches or frays, it is necessary to replace it immediately to ensure your vehicle runs correctly. The first […]



How to Use a Car Code Reader

Car code readers can only be used on OBD II (on-board diagnostic two) systems integrated in all vehicles since 1996. Some GM models began OBD II in 1995. OBD II standardized the location and plug application of the vehicle’s computerized system, which simplified the equipment needed and the diagnosis time. The first OBD II scanners […]



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 Calculate Reading Light Requirements

It’s convenient to have an extra light in a room specifically for reading. Reading requires more light than other activities. By having a reading light, you can keep the rest of the light in your room muted while still having enough in one area to read comfortably. If you put a reading light next to […]



How to Read a Manufacturing Blueprint

When reading a blueprint, it is essential that you know which elements to look for, and what those elements mean. Manufacturing blueprints are images designed to help the reader understand how to build a particular component or device, and how it works. A draftsperson or designer creates blueprints by hand or using specialized software. They […]



How to Read Piano Music

The most complex part of learning the piano is reading the notes and then playing the note that you read. Here are tips to help you. Reading music is crucial to playing and their is no shortcut. You can use flashcards and memorize the notes, but not know where the notes are on the piano. […]