44 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hereditary, TIO, Fanconi ... Hypophosphatemia #phosphorus
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
• N or ↓FGF23: Fanconi ... Algorithm #nephrology #phosphorus
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
absorption (Antacids, Phosphorus ... or Low FGF-23: Fanconi
Localization of Renal Tubular Defects
Fanconi Syndrome: Proximal tubule
Bartter Syndrome: Thick ascending loop of Henle
Gitelman Syndrome: Distal
Tubular Defects Fanconi ... Liddle #Syndrome #Fanconi
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
in Calcium and Phosphorus ... tubular reabsorption Phosphorus ... parathormone #Calcium #Phosphorus
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
: Ifosfamide - Fanconi ... , Ifosfamide - Fanconi ... BRAF inhibitors- fanconi
Aplastic Anemia and Bone Marrow Failure Syndromes with Pancytopenia

Fanconi Anemia
Acquired Aplastic Anemia
Dyskeratosis Congenita & Telemore Biology
Pancytopenia Fanconi
Phosphate Electrolyte Repletion
Oral: Neutra-Phos, Neutra-Phos-K, K-Phos Neutral (Na and K Phos)
Intravenous: Potassium Phosphate, Sodium Phosphate

Satya Patel
hypophosphatemia #intern #phosphorus
Proximal Renal Tubular Acidosis (RTA) Ttype 2 Overview

HCO3 reabsorptive failure
Lowering of threshold for HCO3 absorption in
Isolated Or Fanconi
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
levels of PTH, phosphorus