28 results
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Intracellular Shift ... Periodic paralysis Alkalosis ... Metabolic alkalosis ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... proteinuria, RBC casts ... if cause not identified ... Diagnosis #Algorithm #Workup ... #urine
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... leukemia Measure Urine ... Transcellular Shift ... Glucose, Acute resp. alkalosis ... #phosphate #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Diagnosis #Algorithm #Nephrology ... #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... dipstick, urine ... osmolarity If cause ... #Injury #AKI #Workup ... #causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... is ruled out, causes ... (transcellular shift ... Diagnosis #Algorithm #Causes ... #workup #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Redistribution/ Shift ... depletion: Respiratory alkalosis ... Diagnosis #Algorithm #causes ... #nephrology #phosphate
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... responsive metabolic alkalosis ... Urine chloride is ... the indicated causes ... #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 ... differential #diagnosis #causes ... #nephrology #magnesium
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Transcellular Shift ... Acute Respiratory Alkalosis ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup