Total-Body Deficits in Chronic Alcohol-Use Disorder. Patients with chronic alcohol-use disorder may have total-body deficits of phosphate, potassium, magnesium, and calcium owing to nutritional deficiencies and decreased gastrointestinal absorption, as well as tubular dysfunction due to chronic alcohol exposure. #Diagnosis #IM #Alcohol #ChronicAlcohol #ElectrolyteDisorders #NEJM