23 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... mOsm/kg - Implies renal ... • Euvolemic (Low ... #nephrology #sodium
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
- Differential Diagnosis ... Framework and Workup ... • Serum K: low ... #Differential #Diagnosis ... #Workup #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential Diagnosis ... FEPO4 ≥ 5% - Renal ... • Normal or Low ... #phosphate #nephrology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
- Differential Diagnosis ... GI Tract Loss (Negative ... Diarrhea • Fistula Renal ... Cell Problem - Low ... MetabolicAcidosis #NonGap #Nephrology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
If the value is low ... Fibrin degradation products ... antiglobulin tests - Negative ... the presence of renal ... #Workup #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE) - Diagnosis ... • Immunologic Workup ... 60-80% - Low ... pANCA anti-MPO - Negative ... #rheumatology
Renal involvement in 35% of mixed cryoglobulinemia vasculitis 
Associated with : 
 • Absence of skin
Renal involvement ... TerrierBen #Renal ... Cryoglobulinemia #Vasculitis #Management ... #Rheumatology # ... Cryoglobulinemic #Nephrology
Hematuria in Post-Renal Transplant Patient
Prevalence up to 12% in the postrenal transplant patient
 • Bacterial: Escherichia
Hematuria in Post-Renal ... cell carcinoma (native ... #differential #diagnosis ... #blood #urine #management ... #treatment #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... (or too little relative ... Primary polydipsia), Low ... #differential #diagnosis ... table #sodium #nephrology
Renal Biopsy - Absolute and Relative Contraindications
WHEN NOT TO DO IT:
 • Isolated glomerular hematuria, unless
Renal Biopsy - Absolute ... progressive • Low ... BrighamChiefs #Renal ... Contraindications #management ... #nephrology