11 results
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... Differential Diagnosis Algorithm ... - Urinary Chloride ... - Normal/low blood ... #causes #urinary
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... Algorithm Cl- ... /low blood pressure ... #Metabolic #Alkalosis ... #nephrology #differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... #Metabolic #Alkalosis ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... #Diagnosis #Algorithm ... #Nephrology #Causes
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Acidosis - RTA - Diarrhea ... Metabolic alkalosis ... Primary hyperaldo ... Causes #Workup #Nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... Absorption: Chronic Diarrhea ... Acute Respiratory Alkalosis ... • N Vitamin D: Primary ... #nephrology #phosphorus
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Laxative use • Diarrhea ... mEq/g suggests urinary ... Alkalosis: Emesis ... differential #potassium #nephrology ... #low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... intake • Metabolic ... Gl tract loss (Diarrhea ... secreting tumor, Primary ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Malabsorption, Chronic diarrhea ... absorption (Antacids, Phosphorus ... Glucose, Acute resp. alkalosis ... • Normal or Low ... Workup #phosphate #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Decreased Intake: • Low ... alkalosis - Fistulas ... NGT suction - Diarrhea ... Pathophysiology #Nephrology