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Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to generate pictures of the anatomy and the physiological processes inside the body. MRI scanners use strong magnetic fields , magnetic field gradients, and radio waves to form images of the organs in the body.
A magnetic resonance imaging instrument (MRI scanner), or "nuclear magnetic resonance imaging" scanner as it was originally known, uses powerful magnets to polarize and excite hydrogen nuclei (i.e., single protons) of water molecules in human tissue, producing a detectable signal which is spatially encoded, resulting in images of the body. [5]
This is a list of mnemonics used in medicine and medical science, categorized and alphabetized. A mnemonic is any technique that assists the human memory with information retention or retrieval by making abstract or impersonal information more accessible and meaningful, and therefore easier to remember; many of them are acronyms or initialisms which reduce a lengthy set of terms to a single ...
The diagnosis is typically made with magnetic resonance imaging of the brain. The findings most characteristic for PRES are symmetrical hyperintensities on T 2-weighed imaging in the parietal and occipital lobes; this pattern is present in more than half of all cases. [1] [3] FLAIR sequences can be better at showing these abnormalities. [4]
Amyloid-related imaging abnormalities (ARIA) are abnormal differences seen in magnetic resonance imaging of the brain in patients with Alzheimer's disease. ARIA is associated with anti-amyloid drugs, particularly human monoclonal antibodies such as aducanumab. [1] There are two types of ARIA: ARIA-E and ARIA-H.
In 1973, the first simple NMR image was published and the first medical imaging in 1977, entering the clinical arena in the early 1980s. In 1984, NMR medical imaging was renamed MRI. Initial attempts to image the heart were confounded by respiratory and cardiac motion, solved by using cardiac ECG gating, faster scan techniques and breath hold ...
Community Treatment Order (psychiatric term for forced drugging outside hospital context) CTP: cytosine triphosphate cytidine triphosphate Child–Turcotte–Pugh score clear to percussion: CTPA: computed tomographic pulmonary angiography: CTPE: CT scan for pulmonary embolii: CTR: carpal tunnel release: CTS: computed tomography scan Carpal ...
As the AMA decided in April 1960, the Current Medical Terminology (CMT) handbook was first published in June 1962 – 1963 to standardize terminology of the Standard Nomenclature of Diseases and Operations (SNDO) and International Classification of Diseases (ICD), and for the analysis of patient records, and was aided by an IBM computer. [22]