As an IACT certified thermographic technician, I attend meetings online with Dr. Amalu and at a recent one, the subject of what it takes to become proficient at reading images came up because a technician mentioned a course advertised of only 3 days to learn to read images!
That sparked a followup note from Dr. Amalu describing the glory days of insurance covering thermography and courses in federally funded universities that were teaching doctors to read images. Enjoy his note below! (IACT is the abbreviation for International Academy of Clinical Thermographers):