The purpose of this study was to give an introduction to the radiologi
cal evaluation of deglutition. The symptoms leading to videofluoroscop
ic investigation of swallowing are explained. The examination has to b
e tailored to the patient's symptoms. Each film scene depicts a charac
teristic patient position, a particular kind of contrast material and
a certain amount. A systematic approach to analyze video films of degl
utition and knowledge of the normal and abnormal swallowing functions
are mandatory.