Category: B
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Bremsstrahlung radiation
Diagnostic radiation produced at the target of the anode in an x-ray tube. An electron is accelerated at high speed from the x-ray tube cathode filament. It interacts with the nuclear field of a target atom, changing direction and losing energy that is emitted in the form of an ionizing radiation photon. The result is…
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Background radiation
Total radioactivity from cosmic rays, natural radioactive materials, and other radiation that is present in a specific area. Total radioactivity that may be in a particular area from cosmic rays, natural materials and other radiation sources. High-energy radiation that comes from natural sources. The emanation of radiation in the natural surroundings of human beings encompasses…
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Blue pus
Purulence with a blue tint; usually associated with infection due to Pseudomonas aeruginosa.
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Bumke’s pupil
Dilatation of the pupil owing to psychic stimulus.
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Bounding pupil
Rapid dilatation of a pupil, alternating with contraction.
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Blood pump
A device for pumping blood. It is attached to an extracorporeal circulation system.
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Brachial pulse
A pulse felt in the brachial artery.
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Bounding pulse
A pulse that reaches a higher intensity than normal, then disappears quickly. Best detected when the arm is held aloft.
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Bisferiens pulse
A pulse marked by two systolic peaks on the pulse waveform. It is characteristic of aortic regurgitation (with or without aortic stenosis) and hypertrophic cardiomyopathy.
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Bigeminal pulse
A pulse in which two regular beats are followed by a longer pause. A pulse where the beats come in pairs, with a longer pause after every second beat.