13 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... acidosis: Gl tract ... acidosis: Proximal ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Tumor lysis syndrome ... • Metabolic acidosis ... blockers - MCW Nephrology ... Differential #Diagnosis #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... Pressure: - Metabolic ... acidosis: Proximal ... differential #potassium #nephrology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... vasoconstriction syndrome ... Neurocysticercosis, PML • Metabolic ... Hypomagnesemia, Hypocalcemia ... #neurology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... with renal tubal acidosis ... and metabolic alkalosis ... Hypovolemia, UNa ... #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
hypomagnesemia • Metabolic ... Hypochloremic metabolic ... Renal tubular acidosis ... tachycardia • Seizures ... #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Tumor lysis syndrome ... infusions) - Metabolic ... acidosis - Hyperkalemia ... differential #diagnosis #causes ... potassium #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Tumor lysis syndrome ... infusions) - Metabolic ... acidosis - Hyperkalemia ... differential #diagnosis #causes ... potassium #high #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Heat stroke - Metabolic ... exertion/training - Seizures ... Diagnosis #Management #causes ... #treatment #nephrology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
impairment of cellular metabolism ... sweat) - its metabolism ... Heavy exercise - Seizures ... - Shock - Hypovolemia ... - Compartment syndrome