Artifact A feature which appears in an image which is not present in the imaged object. The imaging of veins and arteries. Axial A tomographic imaging plane bisecting the body into top and bottom parts. An transmit and receive RF imaging coil which looks like a birdcage. Chemical Shift A variation in the resonance frequency of a nuclear spin due to the chemical environment around the nucleus.
Chemical shift is reported in ppm.
In MRI, the term refers to the radiofrequency coil. Two complex numbers are complex conjugates of each other if their real parts are equal and their imaginary parts are opposite in sign. A mathematical operation between two functions. Complex Data Numerical data with a real and an imaginary component. A form of spectroscopy in which a constant amplitude electromagnetic wave is applied.