II. Labs
-
Hypokalemia with increased Urine Potassium
- 24 hour Urine Potassium > 15 to 30 meq/L/day
- Urine Potassium to Creatinine ratio > 13
- Poor Specificity and high variability
III. Causes: Blood Pressure Elevated and Hypokalemia
-
Renin Elevated
- Malignant Hypertension
- Renovascular disease
- Renin Secreting tumor
-
Renin Normal
- Liddle's Syndrome
-
Renin Low
- Aldosterone High
- Primary Hyperaldosteronism
- Bilateral adrenal hyperplasia
- Dexamethasone suppression
- Aldosterone Low
- Mineralocorticoid ingestion
- Congenital Adrenal Hyperplasia
- Cushing's Syndrome
- Ectopic ACTH
- Tobacco chewing
- Licorice
- Exogenous Corticosteroids (e.g. Prednisone)
- Aldosterone High
IV. Causes: Blood Pressure Normal and Hypokalemia
- Hypomagnesemia
- Serum Bicarbonate Low
- Renal Tubular Acidosis (Types 1 and 2)
- Serum Bicarbonate High
- Urine Chloride Low (<10 meq/L)
- Urine Chloride High (>10 meq/L)
- Intrinsic renal transport defect (Bartter Syndrome, Gitelman Syndrome)
- Normotensive Primary Hyperaldosteronism
- Diuretic use (Loop Diuretics, Thiazide Diuretics)
- Severe Potassium depletion
V. References
Images: Related links to external sites (from Bing)
Related Studies
| 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) |
