Magnesium Deficiency In Patients Hospitalized in Internal Medicine Wards

initial intravenous treatment: Patients with magnesium levels 1-1.5 mg/dL will receive 2-4 grams of magnesium sulfate in the first 24 hours. Patients with magnesium levels 1.6-1.9 mg/dL will receive 1 gram of magnesium sulfate. participants with magnesium level ≥1 mg/dL, will be randomized, and oral magnesium therapy, Magnesium Citrate, ( or no treatment) will be started, and continued for at least three months. The experimental group will receive 400mg magnesium daily in two divided doses.