14 results
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... >20 mEq/24 h - Diuretics ... #Hypokalemia # ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift: • Alkalosis ... • Refeeding syndrome ... • Discontinued diuretic ... Diagnosis #Algorithm #nephrology ... #low #potassium
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts: - Alkalosis ... plasma insulin (treatment ... or induced) #Hypokalemia ... differential #diagnosis #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... - Metabolic Alkalosis ... : Emesis, Diuretics ... #differential #potassium ... #nephrology #low
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
loop or thiazide diuretics ... use, Bartter syndrome ... , Gitelman syndrome ... of sodium and potassium ... urine #Algorithm #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... Inhibitors of Na+K+2Cl ... Hyponatremia • Hypercalcemia ... Tolvaptan) • Treatment ... #Nephrology #Pharmacology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... - Loop diuretics ... #hypokalemia ... #urine #potassium ... algorithm #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• K sparing diuretics ... • NSAIDs • ACE ... • Recent IV potassium ... - Tumor lysis syndrome ... #high #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
with thiazide diuretic ... (renal potassium ... Surreptitious diuretic ... Rhabdomyolysis Treatment ... #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• K sparing diuretics ... • NSAIDs • ACE ... • Recent IV potassium ... - Tumor lysis syndrome ... #high #nephrology