14 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... • Discontinued diuretic ... Diagnosis #Algorithm ... #nephrology #low
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... plasma insulin (treatment ... use), Gitelman's ... or induced) #Hypokalemia ... #diagnosis #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Loop and thiazide diuretics ... Diagnosis #Algorithm ... #low #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... >20 mEq/24 h - Diuretics ... #nephrology #causes ... #low #potassium
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 ... algorithm #diagnosis ... #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
with thiazide diuretic ... Family history of hypokalemia ... • Unexplained hypokalemia ... Surreptitious diuretic ... #nephrology #management
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation ... evaluating hypokalemia ... : Emesis, Diuretics ... #diagnosis #Algorithm ... potassium #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
loop or thiazide diuretics ... • Normal/low ... pressure: Active diuretic ... #nephrology #differential ... #diagnosis
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Urine Fractional Excretion ... resp. alkalosis ... Inh., Osmotic diuresis ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... irrigation • Management ... ; High-Ceiling Diuretics ... Tolvaptan) • Treatment ... #Diuresis #Nephrology