DIAGNOSTIC TESTING Flashcards
who discovered the x-rays?
WILHEM KONRAD ROENTGEN
“ william conrad row in it again”
x-rays change photographic plate, what colours are they?
SILVER and BLACK
density: air
least density
density: fat
more density than air
density: water
more density than fat
density: metal
most density
how does RADIO-LUCENT appear on film?
RADIO-LUCENT: PERMITS passage (BLACK)
how does RADIO-OPAQUE appear on film?
RADIO-OPAQUE: OBSTRUCT passage (WHITE)
what is SCATTER?
SCATTER occurs when x-ray comes into CONTACT with MATERIAL.
how is SCATTER minimized?
SCATTER is minimized by a GRID placed to absorbed radiation.
what is CONTRAST MEDIUM?
CONTRAST MEDIUM is a FORM of a DYE ingested by the patient to give contrast to the organs that are being filmed.
what type of CONTRAST MEDIUMs are there/
LIQUID, POWDERS, GAS, AIR , PILLS
BARIUM ENEMA
outlines the COLON and given RECTAL
BARIUM SWALLOW
outlines the ESOPHAGUS, SMALL INTESTINE, STOMACH and given by ingestion.
CHOLECYSTOGRAPHY
x-ray of the GALLBLADDER