28 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Syndrome • HTN, High ... • HTN Absent: Loop ... and thiazide diuretics ... #causes #potassium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... and thiazide diuretics ... - Osmotic diuresis ... Post-obstructive diuresis ... Low #Magnesium #Table
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
with hypokalemia ... Urine Cl - Loop ... diuretics, Thiazide ... diuretics, Mg2+ ... #differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... Clinicians should also look ... Post-hypercapnia • Diuretics ... causes #nephrology #potassium
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... >20 mEq/24 h - Diuretics ... #Differential # ... #causes #low #potassium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... • Drugs • Diabetic ... Normal, Renin High ... #differential
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... • Discontinued diuretic ... #Differential # ... nephrology #low #potassium
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diuretics and Agents ... +2Cl- Symport (Loop ... Diuretics; High-Ceiling ... Hyponatremia • Hypercalcemia ... #Medications #Table
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
- Insulin (high ... foscarnet - Diuretics ... Furosemide and other loop ... diuretics ... antiretroviral therapy - Diuretics
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... , ileal loop ... Potassium-sparing ... diuretics (amiloride ... Metabolic #Acidosis #differential