56 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... - 1° HPT - 1° Renal ... , TIO, Fanconi Syndrome ... #phosphorus #low ... #differential #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... • Refeeding Syndrome ... • Acute Respiratory ... Increased Excretion - Renal ... Osteomalacia • Fanconi Syndrome
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
paraproteinemia, acute ... alkalosis, Hungry bone syndrome ... Tumor genesis syndrome ... FEPO4 ≥ 5% - Renal ... FGF-23: Fanconi syndrome
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia ... into cells - Acute ... ), Hungry bone syndrome ... • Renal losses ... #causes #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... Shift: Refeeding Syndrome ... , Acute Respiratory ... Tumor Genesis Syndrome ... FGF23: Fanconi Syndrome
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Aldosterone: Liddle's Syndrome ... SAME, Cushing Syndrome ... diuretics, Bartter syndrome ... , Gitelman syndrom ... #nephrology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
BEE Syndromes - ... causes: • Susac syndrome ... • Acute disseminated ... • Sjögren syndrome ... #neurology #inflammatory
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Differential Diagnosis Algorithm ... Extravascular deposition: Hyperphosphatemia ... , Acute Pancreatitis ... metastases, Hungry bone syndrome ... #nephrology #calcium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Differential Diagnosis Algorithm ... anemia) • G-CSF ... • Refeeding syndrome ... vomiting) • Low ... #nephrology #low
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... t-PA, heparin Acute ... Rhabdomyolysis, Tumor lysis syndrome ... CKD Increased Renal ... Workup #phosphate #nephrology