Files with examcard file extension seems to be mainly found as data files from Phillips MRI scanners.
EXAMCARDS file extension - MRI ExamCards data
What is examcards file? How to open examcards files?
File type specification:
The examcards file extension seems to be used for a special output format exported from some medical devices (magnetic resonance) from Philips.
ExamCard contains all the scans required for a complete MR examination in one easy-to-use file that can be downloaded directly into a Philips MRI scanner.
This examcards file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.