27 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... of magnesium = (urine ... #algorithm #differential ... #diagnosis #causes ... #nephrology #magnesium
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... 2-2.5% or 24h Urine ... Malabsorption RENAL ... 2-2.5% or 24h Urine ... • Gitelman's syndrome
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... of hypokalemia starts ... K loss • Hypomagnesemia-induced ... hypokalemia • Renal ... #causes #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... osmolarity If cause ... syndrome: troponin ... Differential #Diagnosis #nephrology ... #causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... (late) • High Urine ... hyperaldosteronism • High PRA: Renal ... #Nephrology #Causes
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... loop/thiazide) • Hypomagnesemia ... Licorice • Liddle's Syndrome ... MetabolicAlkalosis #NonGap #Nephrology ... #Causes
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... steatorrhea) • Renal ... Tubulointerstitial renal ... Hypercalcemic states ... #diagnosis #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology ... #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... mOsm/kg - Implies renal ... mechanism 2) Volume Status ... #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology ... #Causes