19 results
Localization of Renal Tubular Defects
Fanconi Syndrome: Proximal tubule
Bartter Syndrome: Thick ascending loop of Henle
Gitelman Syndrome: Distal
Localization of Renal ... Proximal tubule Bartter ... loop of Henle Gitelman ... #Nephron #Defects ... #Pathophysiology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Differential Diagnosis Algorithm ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... hyperaldosteronism • High PRA: Renal
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses ... loss (Diarrhea) Renal ... secreting tumor, Primary ... thiazide diuretics, Bartter ... syndrome, Gitelman
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Differential Diagnosis Algorithm ... Cl-: Diuretics, Bartter ... Syndrome, Gitelman ... hyperaldosteronism • High PRA: Renal
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... hypokalemia • Renal ... • Diuretics, Bartter's ... syndrome, Gitelman's ... syndrome • Primary
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... suggests extra-renal ... ↑ Aldosterone: Primary ... Emesis, Diuretics, Bartter ... syndrome, Gitelman
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... oral intake Renal ... Nonreabsorbable anions • Renal ... tubular acidosis • Gitelman's ... syndrome • Bartter's
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
villous adenomas • Renal ... furosemide) - Bartter ... syndrome - Gitelman ... syndromes • Primary
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Mineralocorticoid • Primary ... Barter, or Gitelman ... metabolic #alkalosis #algorithm
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... - Diarrhea • RENAL ... - Diuresis - Bartter ... - Gitelman ... #Pathophysiology