hidrotic ectodermal dysplasia, Christianson-Fourie type https://rarediseases.info.nih.gov/diseases/2682/ectodermal-dysplasia-hidrotic-christianson-fourie-type https://www.malacards.org/card/ectodermal_dysplasia_hidrotic_christianson_fourie_type GARD:0002682 Orphanet:1808 OMIM:601375 Christianson-Fourie syndrome Hidrotic ectodermal dysplasia, Christianson-Fourie type is a rare ectodermal dysplasia syndrome characterized by tricho- and onychodysplasia in association with cardiac rhythm abnormalities. Patients present with sparse scalp hair and eyelashes, absent or sparse eyebrows, dystrophic thickened nails (on fingers distal end may be lifted from the nail bed) and supraventricular tachicardia or sinus bradicardia. MEDGEN:371322 MESH:C536180 icd11.foundation:661397711 MONDO:0011063 UMLS:C1832411 ectodermal dysplasia syndrome