20 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Zalman Agus #Hypophosphatemia ... #phosphorus #low ... diagnosis #Algorithm #differential ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... absorption (Antacids, Phosphorus ... • Normal or Low ... - Normal or Low ... #Differential #
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... Appropriately Low ... #Differential # ... #phosphorus #workup
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... - Urine sodium low ... and uric acid low ... #Differential # ... Algorithm #Diagnosis #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Uric Acid - Low ... #Differential # ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid
Hypoalbuminemia and hypophosphatemia can mask an anion gap (particularly, low albumin states usually underestimate the anion
Hypoalbuminemia and hypophosphatemia ... (particularly, low ... and add half the phosphorous ... #LowAnionGap #Differential
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Cisplatin from Low ... Cetuximab- due to low ... Regorafenib • Hypophosphatemia ... Trastuzumab • Hyponatremia ... chemotherapy #diagnosis #differential
Causes of Hyperphosphatemia - Differential Diagnosis Algorithm
Serum phosphate level >4.5 mg/dL
 • Spurious hyperphosphatemia
 • True
Causes of Hyperphosphatemia ... - Differential ... preparation, High phosphorus ... #Causes #Differential ... Diagnosis #Algorithm #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Primary polydipsia, Low ... @NephroMD #hyponatremia ... #diagnosis #differential ... algorithm #causes #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Disease, Meds (Opiates ... UnremarkableLab #Hyponatremia ... #Differential # ... Algorithm #diagnosis #nephrology