The arrhythmia means abnormal rhythm of the heart. Rhythmic action of the heart is initiated by regularly recurring electrochemical impulses…
Recorders provide permanent visual trace or record of an applied electrical signal. The most basic electronic recording system consists of…
Introduction Imaging systems employ pulsed ultrasound or the pulsed Doppler mode. The instrumentation system consists of: An electrical signal source…
Introduction The application of ultrasonic in medical field is based on sonar principle as used by bats, anglers with fish…
PET scan is an imaging technique which produces images of the body by detecting radiation or gamma rays emitted from…
MRI is based on the magnetic properties of hydrogen which is one of the constituents of cerebral tissue and other…
The X-ray technique described in this post is a two-dimensional image. The most useful three-dimensional X-ray imaging technique is the…
Background of X-ray Imaging X-rays were discovered accidentally by the Germany Physicist William Roentgen in 1895, while experimenting with electron…
Diagnostic techniques are investigations and tests performed on patients with the intention to identify the cause of illness. The ultrasound…
Electrooculogram is an electrophysiological monitoring method to record electrical activity of the eyeball. It is a test to measure the…
