Archive for the ‘Medical examination’ Category
Ultrasound
October 24th, 2011 | 
Author: The ultrasound is used in medicine to view parts of the human body to study the organ tissue, look for structural abnormalities.
How does an ultrasound?
Ultrasound uses waves which are called high-frequency ultrasound.
They are used for example to measure the depth of the oceans: the wave, sent a probe through the water and bounces on the merits of a solid plan, created the echo is analyzed by the device and gives the measure sought.
This principle, applied to a living organism, book different data depending on the consistency of the material (liquid, solid, for example) that creates the echo. Waves are converted and translated into digital images, displayed on a computer screen and saved, and the images can be printed.
Today, the devices provide high quality images, and some even allow you to view the bodies in space in three dimensions (3D). Read the rest of this entry »
The endoscopy and laparoscopy
Endoscopy to “see inside”
The endoscopy (or endoscopy ) to view the hollow organs: the lungs , inside the digestive tract , the urinary tract , female genital tract but also as the peritoneal cavity (where are all the organs of the abdomen), the mediastinum (space between the two lungs ), etc..
Endoscopy is often performed under general anesthesia or under neuroleptanalgesia (anesthesia rather superficial and short). It is necessary to be fasting and not smoking for several hours. The hospital stay is usually short-lived. It is sometimes necessary to stop certain treatments such as anticoagulants before undergoing the examination. Read the rest of this entry »