12 results
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Transcellular Shift ... : Refeeding Syndrome ... Tumor Genesis Syndrome ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup
Localization of Renal Tubular Defects
Fanconi Syndrome: Proximal tubule
Bartter Syndrome: Thick ascending loop of Henle
Gitelman Syndrome: Distal
loop of Henle Gitelman ... Syndrome: Distal ... Fanconi #Bartter #Gitelman ... Nephron #Defects #Pathophysiology ... #Nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Fractional Excretion of Phosphate ... absorption (Antacids, Phosphorus ... Transcellular Shift ... Framework #Workup #phosphate ... #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
heparin Acute Phosphate ... intake, Phosphate ... Rhabdomyolysis, Tumor lysis syndrome ... Transcellular Shift ... #nephrology
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
and Hypoxia - Pathophysiology ... 2,3-DPG which shifts ... ↓ phosphorus ... -DPG causing a shift ... respiratory #hypoxia #pathophysiology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology ... Gitelman Syndrome ... #Syndrome #Pathophysiology ... #nephrology #diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Malabsorption, Phosphate ... Redistribution/ Shift ... ), Hungry bone syndrome ... Algorithm #causes #nephrology ... #phosphate
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Low Alkaline Phosphatase ... • recurrent fractures ... deficiency • Low phosphorus ... collection with EDTA Pathophysiology ... pain - Frequent fractures
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
creatinine) • Cell shift ... Aldosterone: Cushing syndrome ... excess, Liddle syndrome ... , Gitelman syndrome ... algorithm #diagnosis #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... cotransporter • Gitelman's ... Pseudo Bartter-Gitelman ... #nephrology #management ... #pathophysiology