31 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
- Differential Diagnosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Renin-secreting tumor ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Renin-secreting tumor ... #Algorithm #Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Renin secreting tumor ... excess, Liddle syndrome ... , Gitelman syndrome ... differential #algorithm #diagnosis ... #nephrology
Tumor Lysis Syndrome - Workup and Management

Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
Tumor Lysis Syndrome ... - Workup and Management ... uric acid, LDH, Urine ... Clinical TLS: • IV ... #diagnosis #management
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
be treated with IV ... A urine K/Cr ratio ... Renin secreting tumor ... #Hypokalemia #diagnosis ... differential #potassium #nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Urine Specific Gravity ... Dehydration • SIADH (syndrome ... Proteinuria • Recent IV ... Interpretation #diagnosis ... #differential #nephrology
Abnormally Colored Urine - Differential Diagnosis Framework
Red:
 - Hematuria, Hemoglobinuria, Myoglobinuria
 - Beets, Rhubarb, Blackberries, Artificial
- Differential Diagnosis ... UTI - Propofol, IV ... bag syndrome (chronically ... #Differential #Diagnosis ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... leukemia Measure Urine ... , Tumor genesis ... #Differential #Diagnosis ... Workup #phosphate #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... • Large volume IVF ... Hypoxic injury, Tumor ... Polyuria Mimics (↑ urine ... #Causes #nephrology
Hepatorenal Syndrome Diagnosis
 • ↑ in serum Cr of ≥ 0.3mg/dL above baseline
Hepatorenal Syndrome ... Diagnosis • ↑ ... 2 HRS) • Low urine ... #diagnosis #HRS ... #nephrology #criteria