Thursday, July 18, 2013

Tutorial Setting Microsoft Outlook in WellcoM A86/ WellcoM A68

Come here to Set Up Outlook in WellcoM A86/ WellcoM A68 . The Android phone is a Google-based phone that runs on the Google operating system. Because its default email client is Gmail, the Android phone does not provide a simple method of connecting to your Outlook email. So please follow the tutorial to set them

Instructions

1. Set your WellcoM A86/ WellcoM A68 to accept email. Selecting the messaging icon on your phone to do that. A gmail account--an email account with Google--is required to use the email messaging function on the phone. If you do not already have a gmail account, you can register for one from your phone. This will synchronize your Android to Google and give you access to your gmail account from your WellcoM A86/ WellcoM A68 phone.

2. Install Google Calendar on your computer to synchronize your WellcoM A86/ WellcoM A68 with Outlook Calendar. Using your computer, sign in to your gmail account using the same gmail information you used to set up email messaging for your WellcoM A86/ WellcoM A68 . Follow the prompts to install Google Calendar.

3. Synchronize calendars. Once Google Calendar is installed, you will be asked for your gmail account and password. At that time, you will be given synchronizing options. Choose two-way so that you can use either Google or Outlook Calendar and your appointments will appear in both calendars.

If you don't have access to a computer, download an application to your WellcoM A86/ WellcoM A68 phone. Synchronize Outlook to your Android from your phone by selecting the Android Market icon, and use the search feature to find an application that will synchronize your Android with Outlook. A variety of applications are available; some are free, and some involve one-time fee. Read the brief descriptions of what each application offers, and chose the one that is right for you.

Instructions

1. Launch your Web browser and navigate to "companionlink.com." Click the "Android" link and click the "Sync Android With Outlook" link. Click the "14-Day Free Trial" CompanionLink download. Save the download to your desktop. Double-click the download to install it onto your computer.

2.Connect your Android phone to your computer by inserting one end of its USB cord into the computer's USB port and the other end into the Android's data port.

3 .Tap the Android's "Market" icon to open its app store. Type "DejaOffice" into the "Search" field. Double-click the "DejaOffice" icon to install the app onto your phone. It is an office suite application that allows you to conveniently access your Outlook email client on your WellcoM A86/ WellcoM A68 .

4. Double-click the "CompanionLink" icon to open the program. Wait for it to recognize your Android. Select what data you want to sync from Outlook, such as your contacts, emails, tasks and calendar. Choose how often you want to sync your data. Click "Sync." Your Outlook data will be synced with your Android and stored within your "DejaOffice" app.

But if you wanto to acces outlook but doesnt have activesync. Here is step How to Access Outlook Email on an WellcoM A86/ WellcoM A68 Phone Without the Use of Activesync.

If you're using Outlook to access email that doesn't use ActiveSync, you can also access that email through your Android phone by copying the email settings from your Outlook accounts into your Android email application

Instructions

1.Open Outlook and click on the "File" tab. Click "Account Settings" and then click "Account Settings" again. Click "Change." You'll see the account settings for your Outlook email.

2.Unlock your WellcoM A86/ WellcoM A68 phone and open the application launcher. Find the "Email" icon and tap on it. Press the "Menu" button and then tap "Add Account."

3.Type in the user name and password from your Outlook email into your WellcoM A86/ WellcoM A68 phone. Tap "Next" to allow the Android email wizard to automatically detect the account settings.

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Tuesday, April 30, 2013

Power (Angio) Mode of Ultrasound

In contrast to the more widely used velocity mode, the power mode determines the frequency shift of the reflected echoes from the ultrasound energy . In the power mode display, the sum of the Doppler signal intensities reflected by moving particles is represented by levels of brightness while the magnitude of the flow velocity and different velocities as well as flow direction (in older devices) are ignored. The color intensity in the power mode is determined by the density of the moving reflectors. The power mode is more sensitive to slow flow and flow with only few reflectors as compared with the velocity mode. The more gates sampled along each color Doppler line, the better the signal-to-noise ratio. Lighter shades indicate higher densities of reflecting flow ab a Types of color coding used to display flowing blood: In the velocity mode (left), red and blue represent the flow direction and lighter shades a higher Doppler shift. In the power/angio mode (right),higher amplitudes of the reflected ultrasound echoes are displayed in lighter shades irrespective of the frequency and flow direction.
b Depiction of the right kidney by color duplex ultrasound in the velocity mode on the left and in the power Doppler mode on the right. In the velocity mode, the color coding of the vessels indicates the blood flow direction with veins being shown in blue (flow away from the transducer) and arteries in red (toward the transducer).Vessels to the level of the interloper vessels are depicted. The power Doppler mode provides no information on the flow direction of blood but enables evaluation of slow flow and is less angle dependent, which is why this mode is superior in depicting parenchymal blood flow in small vessels. The kidney (N) is marked with plus signs. Part of the liver (L) is depicted near the abdominal wall with visualization of peripheral vessels in the power Doppler mode. (in blood cells). While the power mode is similar to other techniques in that it only registers reflected echo signals within a certain range of Doppler frequency shifts, it is largely independent of the angle between the ultrasound beam and the blood vessel. Since blood does not flow strictly in one direction, there will always be some reflection of echo pulses even at an unfavorable insounation angle but color intensity is reduced at an angle around 90°. The power Doppler mode is particularly suitable for evaluating slow flow in small vessels and can thus be used to examine peripheral perfusion as well as perfusion in small tumor vessels or in parenchymal organs.
The power mode is limited by the fact that it does not provide qualitative or semi quantitative information on flow velocity. Moreover, it is more susceptible to artifacts induced by organ movement and has a poorer temporal resolution. There is no aliasing because the power mode is independent of the magnitude of the Doppler frequency shift. The main advantage of the power mode lies in the fact that it uses very low pulse repetition frequencies (in the range of some 100 hertz), which in turn enables the resolution of very small Doppler frequency shifts (slow flow). Such low pulse repetition frequencies would be highly susceptible to aliasing in velocity-dependent color coding. The power mode represents the intensities of the signals reflected by moving blood by different levels of brightness based on their amplitudes. The so-called bidirectional power mode offered by the manufacturers of state-of-the-art scanners enables simultaneous color coding of flow direction (blue and red). This is achieved by the activation of some additional ultrasound beams which solely serve the purpose of sampling and processing flow direction information using the autocorrelation technique.

Thursday, April 11, 2013

Angle of Insonation & B-flow Imaging


Angle of Insonation
Angle dependency of the Doppler shifted frequencies is also a critical factor in blood flow analysis. In sector scanning, multiple scan lines spread out from the transducer in a fanlike manner. When the sector scanner is used to interrogate circulator system in which the direction a flow is across these scan lines in a color window the angle of insonation between the flow axis and the ultrasound beam changes. The angle is smallest when flow stream enters in the sector filed and progressively rises to 90 0 as flow approaches the center of the field. Concurrently the Doppler shifted frequencies progressively decline and may become undetectable at the center of the color filed. A sector scanner may also create apparently. Contradictory directional information in a vessel transferring across the color encoding for flow toward to the transducer which usually is red. as the flow moves away, it will show bi directional flow. This paradox actually highlights the basic concept of representation of flow directionally by any Doppler system.
B-FLOW IMAGING
B-mode blood flow (B-flow) imaging is a new method that improves the resolution,frame rate, and dynamic range of B-mode to image blood flow and tissue simultaneously (Chiao et al., 2000).  The gray scale of an echo is adjusted by correlating the echo waveforms temporally. The correlation function measures the similarity of two echo waveforms and is determined by blood echogenicity, blood flow velocity, and beam width. A filter is designed to suppress large and slow or nonmoving echoes. The result is that the image of blood in an image is enhanced so as to allow the better visualization of blood flow, especially close to the vessel wall. A comparison of the B-mode and B-flow images of a carotid artery. It is evident that blood flow is better visualized by B-flow imaging. The vessel lumen where blood flows in the B-mode image is basically anechoic.