35 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup ... • Euvolemic (Low ... #Algorithm #nephrology ... #sodium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... Eric Strong https ... Hypomagnesemia #Differential ... #Diagnosis #Low ... #Magnesium #Table
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal ... Inhibitors of Na+K+2Cl ... #Renal #Excretion ... #Diuresis #Nephrology ... #Medications #Table
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects in Kidney ... Epithelial Cells Renal ... #Nephrology #Diagnosis ... #Differential # ... Table
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 ... #Hyponatremia #differential ... #diagnosis #table ... #sodium #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
loop or thiazide diuretics ... alkalosis • Normal/low ... pressure: Active diuretic ... urine #Algorithm #nephrology ... #differential #
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Metabolic Alkalosis - Differential ... Cl intake, Diuretics ... -: Diuretics, Bartter ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Malabsorption, Chronic ... FEPO4 ≥ 5% - Renal ... Inh., Osmotic diuresis ... #phosphate #nephrology
Mechanisms of nephron damage in cardiorenal syndrome
 • Increased renal interstitial pressure
 • Hypoperfusion
 • Reduced
blood flow • ... hypertrophy • Sodium ... activities • Diuretic ... release • ↓ Cl ... pathophysiology #nephrology
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Kidney Disease ... - Differential Diagnosis ... function (eGFR < 60 ml ... KidneyDisease #Nephrology ... #Differential #