Wednesday, October 6, 2010

Ultrasound

Ultrasound machine
Ultrasound machines are used for obstetrics, echocardiography and biopsy





Advantages of Ultrasound machines:
-Provide valuable medical details
-Has helped medicine become safer and more accurate
-Provide invaluable information about a woman’s pregnancy and baby's growth(can view the baby’s current position, gender and condition & is able to detect any abnormalities in the development of the fetus)
-"There is no radiation hazard because it has non-ionizing radiation being emitted."(Medindia, 2009)
-It does not cause any discomfort.

Disadvantages of UltraSound:
-The information that can be inferred from ultrasound is dependent on the person who is doing the ultrasound.
-Executing ultrasound on very thin and obese patients is very difficult.
-"Many cancers cannot be detected via an ultrasound."(Emory University, 2008)
-"Ultrasounds are not available everywhere, and not all insurance plans cover them."(Emory University, 2008)
-"Although ultrasound is often used in an attempt to prevent an invasive measure for diagnosis, sometimes it is unable to determine whether or not a mass is malignant, and a biopsy will be recommended."(Emory University, 2008)

Reference:

-Emory University. (2008, 11 19). Ultrasound: Benefits and Disadvantages. Retrieved 10 06, 2010, from CancerQuest : http://www.cancerquest.org/index.cfm?page=3388

-Medindia. (2009, June). More information about ultrasound. Retrieved 10 06, 2010, from Ultrasound: http://www.medindia.net/patients/patientinfo/ultrasound_moreinfo.htm

-Nicholas. (2010). 4d Ultrasound – Know Your Baby Well . Retrieved 10 06, 2010, from Ultrasound Machine: http://ultrasoundmachineguru.com/

Wednesday, September 29, 2010

Google Chrome: Advantages and Disadvantages

Chrome is an internet browser by Google. It can be downloaded from https://www.google.com/chrome. Advantages and disadvantages of the browser are listed below. Please comment based on your experience with Chrome.

Advantages of Google Chrome:

-Fast web page downloading
-Multithreading approach
-Own task manager-tells how much memory needed and CPU and network usage by a website
-Dynamic tabs
-Safe browsing-warns users when they attempt to visit harmful websites

Disadvantages of Google Chrome:

-No add-ons
-No RSS feeds feature
-Privacy
-No status bar