224 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... UNa > 20: • Renal ... , Salt-losing deficiency ... #Hyponatremia #Differential ... Algorithm #Causes #nephrology
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
- 1° HPT - 1° Renal ... glucose - Vitamin D Deficiency ... diagnosis #Algorithm #differential ... #nephrology
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
Kidney Injury - Differential ... urinalysis, labs - Management ... underlying volume deficiency ... biopsy - Management ... #Injury #AKI #Differential
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
or peripheral neurologic ... Myophosphorylase deficiency ... - Carnitine deficiency ... mimics #diagnosis #differential ... #causes #neurology
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
phosphate excretion - Differential ... Hyperparathyroidism • Vit D deficiency ... • Primary Renal ... phosphate #excretion #Differential
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
SIADH, Cortisol deficiency ... solute intake, Renal ... hyponatremia #diagnosis #differential ... algorithm #causes #nephrology
Renal Tubular Acidosis (RTA) 
Type 1 - Failure of secretion
Type 2 - Bicarbonate wasting
Type 4 -
Renal Tubular Acidosis ... carbonic anhydrase II deficiency ... salt diet #Renal ... classification #nephrology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Alkaline Phosphatase Renal ... • Vitamin D Deficiency ... • Phosphate Deficiency ... Pathologic #MSK #Differential
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... ASA) • Renal Disease ... • Factor VIII Deficiency ... • Factor IX Deficiency ... Bleeding #Bruising #Differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Niacin, Vitamin D deficiency ... FEPO4 ≥ 5% - Renal ... Hypophosphatemia #Differential ... Workup #phosphate #nephrology