86 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... , NGT suction, Low ... hyperaldosteronism • High PRA: Renal ... Primary #Metabolic #Alkalosis ... Diagnosis #Algorithm #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Osmolarity 3) Urine Sodium ... Uric Acid - Low ... High Uric Acid → renal ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... , NGT suction, Low ... hyperaldosteronism • High PRA: Renal ... aldosteronism #Metabolic #Alkalosis ... Diagnosis #Algorithm #Nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift: • Alkalosis ... Losses Non-renal ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
examination, check urine sodium ... acid: - Urine sodium ... low, uric acid ... and uric acid low ... Algorithm #Diagnosis #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Na <20: Extra-renal ... Urine Na >30: Renal ... Hypothyroidism, Low ... algorithm #diagnosis #sodium ... #low #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic Alkalosis ... Chloridorrhea Renal ... • Penicillins Renal ... aldosteronism Low ... MetabolicAlkalosis #NonGap #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Sodium loss (diuretics ... can be high or low ... Primary polydipsia), Low ... differential #diagnosis #table ... #sodium #nephrology
Mechanisms of nephron damage in cardiorenal syndrome
 • Increased renal interstitial pressure
 • Hypoperfusion
 • Reduced
• Increased renal ... Hypoperfusion • Reduced renal ... blood flow • ... hypertrophy • Sodium ... pathophysiology #nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
believed that urine sodium ... fractional excretion of sodium ... differentiate between pre-renal ... and intrinsic renal ... AcuteKidneyInjury #Nephrology