14 results
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia ... depletion: Respiratory alkalosis ... ), Hungry bone syndrome ... • Renal losses ... #causes #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 ... #Causes #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Glucose, Acute resp. alkalosis ... , Hungry bone syndrome ... Tumor genesis syndrome ... FEPO4 ≥ 5% - Renal ... FGF-23: Fanconi syndrome
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Regorafenib • Hypophosphatemia ... Ifosfamide - Fanconi syndrome ... Ifosfamide - Fanconi syndrome ... #chemotherapy #diagnosis ... #differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... • Drugs • Pulmonary ... GI losses • Renal ... • Nephrotic syndrome ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... • Drugs • Pulmonary ... GI losses • Renal ... • Nephrotic syndrome ... #Nephrology #Differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Diagnosis: Causes ... D-lactate (short bowel syndrome ... Classically” noted with pulmonary ... #Summary #Nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Postparathyroidectomy (hungry bone syndrome ... metastasis (hungry bone syndrome ... ) • Endocrine disorders ... : Syndrome of inappropriate ... #diagnosis #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome ... • Diagnosis of ... and nephrotic syndrome ... and nephrotic syndrome ... disease • Liddle syndrome
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts: - Alkalosis ... diuresis, Bartter's syndrome ... use), Gitelman's syndrome ... excess and related syndromes ... #diagnosis #nephrology