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MIR.DEF VITAMINA

Deficits vitamínicos - clínica - factores favorecedores

VITAMINACLINICAFACTORES FAVORECEDORES
A / retinol Ceguera nocturna, xeroftlamia, esterilidad masculina Alcoholimso, malabsorción, malnutrición, infeciones
D / calciferol Raquitismo / osteomalacia Envejecimiento, malabsorción grasa, déficit soleación, hiperpigmentación cutánea
E / tocoferol Neuropatía periférica, retinopatía, anemia hemolítica Malabsorción grasa
K Hipocoagubilidad y hemorragias Malabsorción grasa, cirrosis, antibióticos.
B1 / tiamina Beri-beri, encefalopatía de Wernike Alcoholismo, hipermesis, diuréticos
B2 / riboflavina Ocular, lengua magenta, queilitis angular
B3 / niacina / ac nicotínico Pelagra 3D: diarrea, demencia, dermatitis Alcoholismo, déficit de B2-B6-triptófano, puede aparecer en sde carcinoide
B6 / piridoxina Glositis, afetación SN (neuropatía, depresión convulsiones) Alcoholismo, isoniacida
B9 / ac fólico Anema megalobástica , trombocitopenia, leucopenia, defectos del tubo neural en RN Alcoholismo, sulfamida
B12 / cianocobalamina Anemia megaloblástica, degeneración subaguda medular
C / ac ascórbico Escorbuto: gingivorragia, petequia, infecciones, hiperqueratosis folicular Alcoholismo , fumadores
Created by: pablosbartrina
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