A 19-year-old female presented with acute onset of bizarre behavior, confusion, auditory hallucinations, and delusions after two weeks on a 100 kcal/day diet. She had a normal neurological examination. Urinalysis showed ketones 4+. She had elevated antinuclear antibody (ANA) (320) and positive heterozygous factor V Leiden mutation. Magnetic resonance imaging…
Chronic metformin use results in vitamin B12 deficiency in 30% of patients. Exhaustion of vitamin B12 stores usually occurs after twelve to fifteen years of absolute vitamin B12 deficiency. Metformin has been available in the United States for approximately fifteen years. Vitamin B12 deficiency, which may present without anemia and…
Background: Vitamin D deficiency is increasingly being recognized as a highly prevalent and undertreated problem. This study was conducted to determine the prevalence of vitamin D deficiency/insufficiency in hospitalized adults in northeast Tennessee. Methods: A prospective cohort study was conducted on 99 inpatients admitted to an internal medicine teaching service…
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