This is the 1873rd most frequent French word.
médicaux
"Medical."
In this sentence, 'médicaux' acts as an adjective modifying the noun 'dossiers' to indicate that the records are related to medicine or health.
Les dossiers médicaux doivent être correctement archivés.
Medical records must be properly archived.
Here, 'médicaux' qualifies the noun 'impacts', describing that the impacts being considered are specifically related to medicine.
Ils ont discuté des impacts médicaux des nouvelles technologies.
They discussed the medical impacts of new technologies.
The word 'médicaux' here is used in conjunction with 'équipements', indicating that the equipment in question is intended for medical use.