160 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... • Refeeding syndrome ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
creatinine) • Cell shift ... Low-normal EABV ... , Low Plasma HCO3 ... Plasma HCO3- • Low ... algorithm #diagnosis #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
leukemia Measure Urine ... Transcellular Shift ... • Normal or Low ... - Normal or Low ... Workup #phosphate #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
hyperaldosteronism • Low ... Urine Cl-: Vomiting ... , NGT suction, Low ... (late) • High Urine ... Diagnosis #Algorithm #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
of magnesium = (urine ... serum magnesium x urine ... intake, Gl loss, shift ... diagnosis #causes #nephrology ... #magnesium #low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low ... Urine Cl-: Vomiting ... , NGT suction, Low ... (late) • High Urine ... Diagnosis #Algorithm #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... Hypothyroidism, Low ... Cirrhosis, Nephrotic syndrome ... diagnosis #sodium #low ... #nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... dysmorphic RBCs in urine ... Nephritic #Nephrotic #Syndrome ... Comparison #Algorithm #Nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
examination, check urine ... uric acid: - Urine ... sodium low, uric ... and uric acid low ... Algorithm #Diagnosis #Nephrology
Algorithm for Differentiating Gitelman syndrome from Bartter syndrome
 • Urine Chloride
 • Urine Ca/Cr ratio

Dr. Krithika
from Bartter syndrome ... • Urine Chloride ... • Urine Ca/Cr ... #Gitelman #syndrome ... Bartter #Algorithm #nephrology