13 results
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Diagnosis Framework ... FEPO4 ≥ 5% - Renal ... Vitamin D deficiency/resistance ... Fanconi syndrome, CA ... Workup #phosphate #nephrology
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
by Mechanism Renal ... Hypermagnesemia #Differential ... #Diagnosis #High ... #Magnesium #Table ... #Causes #Management
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... phlebotomy High ... deficiency or resistance ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Diagnosis Framework ... phlebotomy High ... deficiency or resistance ... #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Diagnosis: Causes ... sedation, narcotics, CVA ... Interpretation #Diagnosis ... #Summary #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
≥100): SIADH, Renal ... diuresis can be high ... #Hyponatremia #differential ... #diagnosis #table ... #sodium #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
sickness • Diuretic resistance ... disequilibrium syndrome • Diagnosis ... irrigation • Management ... Loop Diuretics; High-Ceiling ... #Medications #Table
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Diagnosis Framework ... and Management ... #Diagnosis #Management ... causes #treatment #nephrology
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
and Management ... requires high index ... • Should be on differential ... patients with a high ... suspicion for AEF: CTA
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... 15 suggests ↓ renal ... Elimination (see Table ... Calcium 2-3g IV Ca-gluconate ... #potassium #nephrology