18 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift: • Alkalosis ... • Refeeding syndrome ... Thyrotoxicosis Medications ... #low #potassium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
, Gitelman syndrome ... metabolic acidosis • Diabetic ... of sodium and potassium ... #Algorithm #nephrology ... #differential #
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
excretion • Acute ... renal failure • Chronic ... • Drugs • Diabetic ... Diagnosis #algorithm #nephrology ... #potassium #differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... • Diarrhea A urine ... - Metabolic Alkalosis ... diagnosis #Algorithm #differential ... #potassium #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... and metabolic alkalosis ... Hypovolemia, UNa ... : • Acute or chronic ... Algorithm #Causes #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... - Tumor lysis syndrome ... (Uncontrolled diabetes ... Medications 2. ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... - Tumor lysis syndrome ... (Uncontrolled diabetes ... Medications 2. ... #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 urine ... ratio 0.5%) Differential ... #diagnosis #nephrology ... #management #pathophysiology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
: Differential Diagnosis ... acute reversal of chronic ... other • Severe potassium ... #Differential # ... Diagnosis #Causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
leukemia Measure Urine ... Fractional Excretion ... Malabsorption, Chronic ... Glucose, Acute resp. alkalosis ... Workup #phosphate #nephrology