Hypochloremia

Overview
Hypochloremia (or Hypochloraemia) is an electrolyte disturbance whereby there is an abnormally depleted level of the chloride ion in the blood. It rarely occurs in the absence of other abnormalities. If it occurs together with metabolic alkalosis (decreased blood acidity) it is often due to vomiting.

Normal values of Chloride: 99-111 mEq/L (99-111 mmol/L)

Primary anion of extracellular fluid compartment; aids in maintenance of acid-base balance.

Complete Differential Diagnosis of the Causes of Hypochloremia
In alphabetical order


 * ACTH-secreting tumors
 * Adrenal insufficiency
 * Bulimia nervosa
 * Burns
 * Congestive heart failure
 * Cushing's syndrome
 * Diabetic coma
 * Diarrhea
 * Drugs
 * Excessive sweating
 * Gastric suction
 * Hyperaldosteronism
 * Hyponatremia
 * Overconsumption of licorice
 * Pseudohyponatremia
 * Renal failure
 * Respiratory losses
 * Salt-losing nephritis
 * Syndrome of inappropriate antidiuretic hormone secretion (SIADH)
 * Vomiting

Complete Differential Diagnosis of the Causes of Hypochloremia
(By organ system)