II. Definition

  1. Hypokalemia with Urine Potassium > 20 meq/day

III. Causes: Blood Pressure Elevated and Hypokalemia

  1. Renin Elevated
    1. Malignant Hypertension
    2. Renovascular disease
    3. Renin Secreting tumor
  2. Renin Normal
    1. Liddle's Syndrome
  3. Renin Low
    1. Aldosterone High
      1. Primary Hyperaldosteronism
      2. Bilateral adrenal hyperplasia
      3. Dexamethasone suppression
    2. Aldosterone Low
      1. Mineralocorticoid ingestion
      2. Congenital Adrenal Hyperplasia
      3. Cushing's Syndrome
      4. Ectopic ACTH
      5. Tobacco chewing
      6. Licorice

IV. Causes: Blood Pressure Normal and Hypokalemia

  1. Serum Bicarbonate Low
    1. Renal Tubular Acidosis
  2. Serum Bicarbonate High
    1. Urine Chloride Low (<10 meq/L)
      1. Vomiting
    2. Urine Chloride High (>10 meq/L)
      1. Barter's Syndrome
      2. Normotensive primary Hyperaldosteronism
      3. Diuretic use
      4. Severe Potassium depletion

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Related Studies

Ontology: Hypokalemia, excessive renal losses (C0268018)

Concepts Finding (T033)
SnomedCT 282741000009105, 38495009
Spanish hipocalemia, pérdidas renales excesivas, hipercaliuria, hipokalemia, pérdidas renales excesivas, hipocaliemia, pérdidas renales excesivas (trastorno), hipocaliemia, pérdidas renales excesivas, hipopotasemia, pérdidas renales excesivas
English Elevated urine potassium, Potassium level in urine elevated, Potassium concentration in urine above normal, Potassium concentration in urine above normal (finding), Hyperkaluria, Hypokalemia, excessive renal losses, Hypokalaemia, excessive renal losses, Hypokalemia, excessive renal losses (disorder)