16 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential ... Transcellular Shift ... Hypokalemia • Hypomagnesemia ... Increased Excretion - Renal ... #LowPhosphate #Differential
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential ... Transcellular Shift ... Kidney Disease: • AKI ... CKD Increased Renal ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia ... - Differential ... Redistribution/ Shift ... bone syndrome • Renal ... Algorithm #causes #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... intake, Gl loss, shift ... cells FEMg >4% = renal ... #algorithm #differential ... diagnosis #causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Transcellular Shift ... FEPO4 ≥ 5% - Renal ... #Differential # ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... Transcellular Shift ... Hyperparathyroidism, TKI ... Diagnosis #Algorithm #nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
hypokalemia and hypomagnesemia ... Hypokalemia - Shift ... pump inhibitor - Renal ... #Medications #differential ... #diagnosis #nephrology
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Regorafenib • Hypophosphatemia ... Regorafenib • Hypomaqnesemia ... : Cisplatin- renal ... Trastuzumab • Hyponatremia ... chemotherapy #diagnosis #differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... GI losses • Renal ... • Reduced GFR, AKI ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... GI losses • Renal ... • Reduced GFR, AKI ... #Nephrology #Differential