Metabolic alkalosis causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

Disease name] may be caused by [cause1], [cause2], or [cause3].

OR

Common causes of [disease] include [cause1], [cause2], and [cause3].

OR

The most common cause of [disease name] is [cause 1]. Less common causes of [disease name] include [cause 2], [cause 3], and [cause 4].

OR

The cause of [disease name] has not been identified. To review risk factors for the development of [disease name], click here.

Causes

• Urine chloride is used to narrow down the differential diagnosis of metabolic alkalosis.

Low urine chloride (<10mEq/dl)

• Patients with low urine chloride and metabolic alkalosis respond well to treatment with volume repletion with saline, thus these conditions are often referred as saline-responsive metabolic alkalosis. Some conditions of volume depletions are:
  • Vomiting,
  • Nasogastric tube suction
  • Over diuresis
• Other condition with similar presentation but without volume depletion is hypercapnia

Normal urine chloride (> 10mEQ/dL)

• With hypertension
  • Cushing's syndrome,
  • Primary aldosteronism (Conn's syndrome),
  • Renal artery stenosis
  • Renal failure + excess supplemented alkali
• Without hypertension
  • Hypomagnesemia
  • Hypokalemia,
  • Bartter's syndrome (defect of sodium chloride resorption),
  • Licorice ingestion (increases cortisol)

Causes by Organ System

Cardiovascular	Dilated cardiomyopathy, Malignant hypertension, Renovascular hypertension
Chemical / poisoning	No underlying causes
Dermatologic	No underlying causes
Drug Side Effect	Aldosterone, Carbenoxolone, Diuretics, Ethacrynic Acid, Fludrocortisone, Glucocorticoids, Intravenous Pencillins, Laxatives, Lydia Pinkham's vegetable compound, Mineralocorticoids, Pramipexole, Sodium bicarbonate, Tolazoline, Tromethamine
Ear Nose Throat	No underlying causes
Endocrine	Cushing syndrome, Glucocorticoid-remediable hyperaldosteronism, Hyperaldosteronism, 11 beta hydroxylase deficiency, C17-hydroxylase deficiency, Conn syndrome, Bilateral adrenal hyperplasia, Adrenal adenoma, Adrenal carcinoma
Environmental	No underlying causes
Gastroenterologic	Gastric fistula, Villous adenoma, VIPoma, Congenital chloride diarrhea, Cystic fibrosis
Genetic	11 beta hydroxylase deficiency, Bartter syndrome, C17-hydroxylase deficiency, Congenital chloride diarrhea, Cystic fibrosis, Gietelman syndrome, Glucocorticoid receptor defect, Liddle syndrome, SeSAME syndrome
Hematologic	No underlying causes
Iatrogenic	Massive blood transfusion, Nasogastric suction
Infectious Disease	No underlying causes
Musculoskeletal / Ortho	No underlying causes
Neurologic	No underlying causes
Nutritional / Metabolic	Hypercalcemia, Hypokalemia, Hypomagnesemia, Refeeding syndrome, Glucocorticoid receptor defect, Glycyrrhizic acid, Licorice
Obstetric/Gynecologic	No underlying causes
Oncologic	Adrenal adenoma, Adrenal carcinoma, Conn syndrome, Hemangiopericytoma,VIPoma, Juxtaglomerular cell tumor
Opthalmologic	No underlying causes
Overdose / Toxicity	Aldosterone, Carbenoxolone, Diuretics, Fludrocortisone, Glucocorticoids, Intravenous Pencillins, Laxatives, Lydia Pinkham's vegetable compound, Mineralocorticoids, Sodium bicarbonate, Tolazoline, Tromethamine
Psychiatric	No underlying causes
Pulmonary	Cystic fibrosis
Renal / Electrolyte	Bilateral adrenal hyperplasia, Hypokalemic distal renal tubular acidosis, Juxtaglomerular cell tumor, Milk-alkali syndrome, Renovascular hypertension, Bartter syndrome, Gietelman syndrome, Liddle syndrome, Adrenal adenoma, Adrenal carcinoma
Rheum / Immune / Allergy	No underlying causes
Sexual	Cystic fibrosis
Trauma	No underlying causes
Urologic	No underlying causes
Dental	No underlying causes
Miscellaneous	Chewing tobacco, Glycyrrhizic acid, Licorice, Posthypercapnia, Vomiting, Laxatives, Refeeding syndrome, Milk-alkali syndrome

Causes in Alphabetical Order

11 beta hydroxylase deficiency Adrenal adenoma Adrenal carcinoma Aldosterone Bartter syndrome Bilateral adrenal hyperplasia C17-hydroxylase deficiency Carbenoxolone Chewing tobacco Congenital chloride diarrhea Conn syndrome Cushing syndrome Cystic fibrosis Dilated cardiomyopathy Diuretics Fludrocortisone Gastric fistula Gietelman syndrome Glucocorticoid receptor defect Glucocorticoid-remediable hyperaldosteronism Glucocorticoids Glycyrrhizic acid Hemangiopericytoma Hyperaldosteronism Hypercalcemia

Hypokalemia Hypokalemic distal renal tubular acidosis Hypomagnesemia Intravenous Pencillins Juxtaglomerular cell tumor Laxatives Licorice Liddle syndrome Lydia Pinkham's vegetable compound Malignant hypertension Massive blood transfusion Milk-alkali syndrome Mineralocorticoids Nasogastric suction Posthypercapnia Refeeding syndrome Renovascular hypertension SeSAME syndrome Sodium bicarbonate Tolazoline Tromethamine Villous adenoma VIPoma Vomiting