17 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... Extra-renal Losses ... Proximal and distal RTA ... Algorithm #causes #potassium ... #low #nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Diagnosis Poor ... Mineralocorticoid excess - Renal ... #Differential #Diagnosis ... #Low #Potassium ... #Table #Classification
Classification of Tumor Lysis Syndrome (TLS) and Treatment of Metabolic Abnormalities of TLS
Laboratory TLS:
 • Uric
Classification of ... and Treatment of Metabolic ... 8.0 mg/dL • Potassium ... Intravenous fluids • Renal ... Syndrome #TLS #diagnosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... suggests extra-renal ... , Distal RTA, DKA ... #diagnosis #Algorithm ... #nephrology #low
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Potassium-sparing ... aniongap #NonGap #Metabolic ... #differential #diagnosis ... #causes #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Acidosis - RTA ... Metabolic alkalosis ... Renal artery stenosis ... Differential #Algorithm #Diagnosis ... Causes #Workup #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... infusions) - Metabolic ... SLE • Type IV RTA ... #causes #potassium ... #high #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... starts by measuring ... • Renal tubular ... algorithm #causes #nephrology ... #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • Recent IV potassium ... infusions) - Metabolic ... SLE • Type IV RTA ... #high #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
(renal potassium ... Hypocalciuria (spot ... tubular acidosis (RTA ... Gitelman #Syndrome #diagnosis ... #nephrology #management