89 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... Primary #Metabolic #Alkalosis ... Diagnosis #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... aldosteronism #Metabolic #Alkalosis ... Diagnosis #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
and metabolic alkalosis ... Cerebral salt wasting syndrome ... Stress, Drugs, Syndrome ... • Nephrotic syndrome ... Algorithm #Causes #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... Urine chloride is ... #Algorithm #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic Alkalosis ... Diagnosis Algorithm Urine ... diuretic use Urine ... BP = Bartter's Syndrome ... , Gitelman's Syndrome
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic Alkalosis ... volume contracted: urine ... volume expanded: urine ... contracted: but urine ... Diagnosis #Causes #nephrology
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Likely Metabolic Alkalosis ... Urine CI < 20 ... Volume Contraction Urine ... Barter, or Gitelman Syndrome ... Elevated #metabolic #alkalosis
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
Metabolic Pathways of Purple Urine Bag Syndrome: Adopted from chart originally published in Purple Urine Bag
Pathways of Purple Urine ... Bag Syndrome: Adopted ... Bag Syndrome: A ... #Pathophysiology ... #Bag #Syndrome
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology ... Hypokalemia Metabolic alkalosis ... #Pathophysiology ... #nephrology #diagnosis