30 results
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Normotensive: • UCl ... Post-hypercapnia • UCl ... #Hypokalemia # ... Differential #Diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... - Differential ... hyperaldosteronism • Low Urine Cl ... NGT suction, Low Cl ... • High Urine Cl
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... - Differential ... hyperaldosteronism • Low Urine Cl ... NGT suction, Low Cl ... • High Urine Cl
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential ... K-ATPase which imports ... - Refeeding Syndrome ... potassium #low #pathophysiology
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Urinary Chloride • Cl ... Kidney loss of Cl ... - Loss of Cl ... Cystic fibrosis) • Cl
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Exogenous (KCL ... MunerMohamed1 #hyperkalemia ... #differential # ... diagnosis #pathophysiology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Pathophysiology ... distal tubule. ↑ Nacl ... H+ secretion → Hypokalemia ... Metabolic alkalosis ... #Pathophysiology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... • Low Urine Cl ... • High Urine Cl ... #hypokalemia ... urine #potassium #differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm Cl ... Kidney loss of Cl ... • Loss of Cl- ... Cystic fibrosis Cl ... Algorithm #nephrology #differential
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Hypochloremic metabolic alkalosis ... Hypocalciuria (spot ... ratio 0.5%) Differential ... diagnosis #nephrology #management ... #pathophysiology