23 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... sodium low, uric ... uric acid low in ... #Differential #Algorithm ... #Diagnosis #Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... creatinine) • Cell shift ... HCO3- • Low Urine ... #differential #algorithm ... #diagnosis #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... Hypomagnesemia #algorithm ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Algorithm - Utilizing ... Osmolarity 2) Urine ... Uric Acid - Low ... Acid → SIADH - High ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
- Differential Diagnosis ... Algorithm Volume ... Urine Cl-: Vomiting ... Urine Cl-: Diuretics ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... Algorithm Volume ... Urine Cl-: Vomiting ... Urine Cl-: Diuretics ... #Algorithm #Nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
- Differential Diagnosis ... Algorithm Polyuria ... nutrition), Azotemia LOW ... #Differential #Diagnosis ... #Algorithm #nephrology
“Step by Step” – the new kid on the block – aims to risk stratify this
be considered “low ... risk” an infant ... leukocytes in urine ... CRP < 20 mg/L #Diagnosis ... Management #Pediatrics #Peds
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... leukemia Measure Urine ... Transcellular Shift ... • Normal or Low ... Workup #phosphate #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... Sodium >145 mmol/L High ... Urine Osmolality ... mannitol, glucosuria Low ... Hypernatremia #Nephrology