17 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Diagnostic Algorithm ... #phosphorus #low ... #differential # ... nephrology
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 # ... #Nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... Diagnosis Algorithm ... Extravascular deposition: Hyperphosphatemia ... #nephrology #calcium
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... • Normal or Low ... #Differential # ... #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... Appropriately Low ... #nephrology #phosphorus ... #workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... • Euvolemic (Low ... #Differential # ... #Algorithm #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... #Differential # ... #nephrology #sodium ... #low #uricacid
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Diabetes Insipidus Workup ... #Management #Algorithm ... #Sodium #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... Primary polydipsia, Low ... #diagnosis #differential ... #nephrology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... Diagnosis Algorithm ... - Congenital (Pediatric ... • Severe hyperphosphatemia ... #Diagnosis #Algorithm