
<apparatus> An apparatus for recording the movements of the heart and great vessels or of the diaphragm on a single film. It consists of a lead sheet called the grid in which are cut horizontal or vertical slits, typically less than 1 mm wide, spaced 1-2 cm apart. During an X-ray exposure lasting as long as several cardiac or respiratory cycl...
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http://www.encyclo.co.uk/local/20973

Type: Term Pronunciation: rent′gen-kī′mō-graf Definitions: 1. An apparatus for recording the movements of the heart and great vessels or of the diaphragm on a single film. It consists of a lead sheet called the grid in which are cut horizontal or vertical slits, typically less than 1 mm wide, spaced 1-2 cm apart. During an x-r...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=78852
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