14 results
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Congenital chloride diarrhea ... alkalosis • Normal/low ... acidosis due to diarrhea ... #Algorithm #nephrology
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 ... Renal Losses: • Metabolic ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Osmotic diuresis (see ... mannitol, glucosuria Low ... Urine Osmolality ... loss • Watery Diarrhea ... Hypernatremia #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... A urine K/Cr ratio ... Laxative use • Diarrhea ... differential #potassium #nephrology ... #low
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
• Serum K low ... • Serum K: low ... Loss of HCO3 - Diarrhea ... NonAnionGap #Acidosis #Metabolic ... Diagnosis #Workup #nephrology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap Metabolic ... Loss (Negative urine ... net charge) • Diarrhea ... Cell Problem - Low ... MetabolicAcidosis #NonGap #Nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Gastrointestinal loss: Diarrhea ... EABV, Low Plasma ... #differential #algorithm ... #diagnosis #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
paraproteinemia, acute ... leukemia Measure Urine ... Malabsorption, Chronic diarrhea ... • Normal or Low ... Workup #phosphate #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... tubal acidosis and metabolic ... losses, Vomiting, Diarrhea ... UNa > 20: • Acute ... #Causes #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Differential Diagnosis Algorithm ... Appropriately Low ... Absorption: Chronic Diarrhea ... Refeeding Syndrome, Acute ... #nephrology #phosphorus