Vitamin Deficiencies

sws42792's version from 2015-05-16 20:34


Question Answer
Vitamin ANight blindness, squamous metaplasia, buildup of keratin debris in eye, immune deficiency
Vitamin DRickets in children - bowed legs, lumbar lordosis, frontal bossing, rachitic rosary, pigeon breast deformity. Osteomalacia in adults - excess osteoid, weak bones
Vitamin ESpinocerebellar degeneration
Vitamin KBleeding diathesis (prolonged PT)
Vitamin B1 - thiamineBeriberi - wet: poyneuropathy, dry: dilated cardiomyopathy; Wernicke-Korsakoff syndrome: confusion, ophthalmoplegia, ataxia, confabulation (damage to mamillary bodies)
Vitamin B2 - riboflavinCheilosis, glossitis, interstitial keratitis, dermatitis
Vitamin B3 - niacinPellagra: Dementia, Dermatitis, Diarrhea
Vitamin B6 - pyridoxinePeripheral neuropathy, sideroblastic anemia (cofactor for ALAS in protoporphyrin synth.), deficiency can be caused by isoniazid treatment
Vitamin B12 - cobalaminMegaloblastic pernicious anemia, degeneration of posterolateral spinal cord tracts
Vitamin C - ascorbic acidScurvy - impaired collagen formation, weak vessels --> hemorrhage, decreased osteiod synthesis --> decreased bone growth, impaired wound healing, gingival swelling
Vitamin B9 - folateMegaloblastic anemia, neural tube defects
ZincAcrodermatitis enteropathica - rash around eyes, nose, mouth, anus
IronHypochromic microcytic anemia