User contributions
10 June 2019
ICRP Glossary
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Bioturbation
Created page with "The mixing of sediment or soil by organisms, especially by burrowing or boring. (ICRP Publication 114, 2009) ''ICRP Glossary entry - May 2019''"
Benthic
Created page with "Pertaining to the fauna and flora at the bottom of the sea, lake, river or stream (ICRP Publication 124, 2014) ''ICRP Glossary entry - May 2019''"
Authorized limit
Created page with "A value of a quantity used for specific activities or circumstances, laid down by a competent authority that should not be exceeded. ''ICRP Glossary entry - May 2019''"
Authorization
Created page with "Official permission from a regulatory body or other competent authority to carry out specified activities. ''ICRP Glossary entry - May 2019''"
Area monitoring
Created page with "A type of monitoring in which measurements are made at points of interest within a specific area. ''ICRP Glossary entry - May 2019''"
Acceptance test
Created page with "A test carried out after new equipment has been installed or major modifications have been made to existing equipment, in order to verify compliance with the manufacturer’s..."
ICRP Glossary
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ICRP Glossary
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Thyroid blocking
Created page with "Administration of a compound of stable iodine (usually potassium iodide) to prevent or reduce the unwanted uptake of radioactive isotopes of iodine by the thyroid in the event..."
Telangiectasia
Created page with "Pathologically dilated capillaries and very small arteries which can be observed as a late complication in irradiated tissues and organs. It is also associated with certain co..."
Tachycardia
Created page with "A heart rate that exceeds the normal resting rate. In general, a resting heart rate over 100 beats per minute in adults. Tachycardias may or may not require treatment. (Adapte..."
Stenosis
Created page with "Narrowing of a hollow structure such as the artery, vessel, alimentary tract, bile duct, ureter and spinal canal. (Adapted from ICRP Publication 120, 2012) ''ICRP Glos..."
ICRP Glossary
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Scintigraphy
Created page with "Nuclear medicine imaging procedure using a gamma camera to obtain images of the radioactive tracer distribution in the body. Also, known as gamma scan. ''ICRP Glossary e..."
Radiofrequency ablation
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Radiofrequency ablation
Created page with "A procedure using radiofrequency to destroy tissue. In cardiology, one or more catheters are guided via fluoroscopy to the heart muscle, and a burst of radiofrequency energy d..."
Patient entrance reference point
Created page with "The position at which the cumulative air kerma for interventional x-ray equipment is measured in order to reasonably represent the air kerma incident on the patient’s skin s..."
Edema
Created page with "Abnormal interstitial accumulation of fluid; for example, pulmonary oedema refers to a build up of fluid in the lungs. (Adapted from ICRPPublication 118, 2012) ''ICRP..."
ICRP Glossary
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Multistage tumorigenesis
Created page with "Stepwise transformation of cells resulting from the accumulation of multiple mutations that lead to the development of tumour from a single (target) cell. (Adapted from ICRP..."
Medical exposure
Created page with "Radiation exposure incurred by patients as part of their own medical or dental diagnosis or treatment; by persons other than those occupationally exposed knowingly while volun..."
Lymphatic system
Created page with "Part of the vascular system and an important part of the immune system, comprising a network of fine lymphatic vessels that collects tissue fluids from all over the body which..."
ICRP Glossary
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Interventional procedure
Created page with "Medical procedures performed under medical imaging (e.g. fluoroscopic, CT, US or MRI) guidance. (also see “fluoroscopic guided procedures”) ''ICRP Glossary entry -..."
ICRP Glossary
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Immune system
Created page with "A host defense system comprising many biological structures and processes within an organism that protects against disease. An immune system detects a wide variety of agents,..."
Hypertrophic cardiomyopathy
Created page with "Increased muscle thickening in the heart leading to less effective pumping of the blood. (Adapted from ICRP Publication 118, 2012) ''ICRP Glossary entry - May 2019''"
Hyperbaric oxygen
Created page with "High oxygen pressures (2–3 atmospheres), which can be used to enhance tissue oxygen availability in radiotherapy. (Adapted from ICRP Publication 118, 2012) ''ICRP Gl..."
Fluoroscopically guided interventions
Created page with "Minimal invasive procedures comprising fluoroscopic guided therapeutic and diagnostic interventions, by percutaneous, endoscopic or other access, usually performed under local..."
Erythropoietin
Created page with "Cytokine that stimulates red blood cell production (erythropoiesis) in the bone marrow. It regulates erythrocyte levels and stimulates late erythroid progenitor cells to form..."
Endogeneous excretion
Created page with "Excretion of materials originating from body fluids; e.g. into the gastrointestinal system, the biliary system or the renal collecting system. ''ICRP Glossary entry - M..."
Electrophysiology
Created page with "Electrophysiology is the branch of physiology that involves the study of electrical activities within the body and the effects of these electrical activities; e.g. image guide..."
DNA damage signalling
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DNA damage signalling
Created page with "Interacting biochemical processes which recognise and respond to DNA damage in cells, e.g., by causing the arrest of the reproductive cell cycle. (ICRP Publication 103, 2007..."
7 June 2019
ICRP Glossary
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Coronary heart disease
Created page with "Narrowing of the coronary arteries which supply oxygenated blood to the heart muscles. Symptoms depend on the degree of narrowing and on whether the narrowing is acute or prog..."
ICRP Glossary
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Connective tissue
Created page with "The tissues of the body that bind together and support various structures of the body. Examples are ligaments, tendons, bone, cartilage, and muscle. (Adapted from ICRP Publi..."
Cardioverter-defibrillator
Created page with "A battery powered device typically implanted similarly to a pacemaker, which can monitor heart rate and rhythm and deliver electrical therapy such as shocks in response to sus..."
Cardiomyopathy
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Cardiomyopathy
Created page with "A disease of the heart muscle that often, but not always, results in a weakening of the pumping strength and dilatation or thickening (hypertrophy) of the left ventricle. (Ada..."
Cardiac valve diseases
Created page with "A variety of abnormalities to one or more of the four heart valves including stenosis and insufficiencies like mitral stenosis and tricuspid regurgitation. Diseases may be inb..."
Cardiac arrhythmias
Created page with "A condition in which hear rates are too slow (i.e. under 60 beats per minute), too fast (i.e. above 100 beats per minute) or irregular (e.g. atrial fibrillation), usually attr..."
Bradycardia
Created page with "A condition where an individual has a resting heart rate typically under 60 beats per minute. Depending on the heart rate and the presence or absence of symptoms or an underly..."
Biomedical research volunteer
Created page with "Person volunteered with full informed consent as a subject of biomedical research, e.g. causing radiation exposure of the subject. He/she may get or may not get a direct medic..."
ICRP Glossary
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Autoimmune disease
Created page with "A condition arising from an abnormal immune response to a normal body part. Such a response results from the inability of the immune system to distinguish self from non-self...."
Angiogenesis
Created page with "Growth and development of new blood vessels, from pre-existing blood vessels, which can be mediated through tumour angiogenesis factor. Angiogenesis can be a normal physiologi..."
Alveolar-interstitial region
Created page with "The distal part of the respiratory tract, consisting of the respiratory bronchioles, alveolar ducts and sacs with their alveoli, and the interstitial connective tissue; i.e. t..."