20 results
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... #Hypokalemia # ... Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... Defining the cause ... #differential # ... #nephrology #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... #Differential # ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... the basis of the potassium-to-creatinine ... #urine #potassium ... #differential # ... algorithm #diagnosis #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
, Gitelman syndrome ... the indicated causes ... of sodium and potassium ... urine #Algorithm #nephrology ... #differential #
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... suggests extra-renal causes ... diagnosis #Algorithm #differential ... #potassium #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
(renal potassium ... ratio 0.5%) Differential ... Supplement: • Potassium ... #diagnosis #nephrology ... #management #pathophysiology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Potassium-sparing ... ACE-Is and ARBs ... loads (ammonium chloride ... Metabolic #Acidosis #differential ... #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... other • Severe potassium ... #Diagnosis #Causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • NSAIDs • ACE ... - Tumor lysis syndrome ... diagnosis #causes ... #nephrology