49 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Renal losses, Diuretic ... and metabolic alkalosis ... Ketonuria, Osmotic diuresis ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Low Cl intake, Diuretics ... High Urine Cl-: Diuretics ... Diagnosis #Algorithm #Nephrology ... #Causes
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts: - Alkalosis ... , Bartter's syndrome ... #Hypokalemia #Causes ... differential #diagnosis #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic ... Alkalosis - Differential ... BP = Bartter's Syndrome ... , Gitelman's Syndrome ... #Causes #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... Low Cl intake, Diuretics ... High Urine Cl-: Diuretics ... Primary #Metabolic #Alkalosis ... Diagnosis #Algorithm #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... disequilibrium syndrome ... Kidney stones caused ... #Nephrology #Pharmacology ... #Medications #Table
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Thiazide or loop diuretics ... after renal tubule diuretic ... Differential #Diagnosis #Causes ... #nephrology
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
loop or thiazide diuretics ... pressure: Active diuretic ... use, Bartter syndrome ... , Gitelman syndrome ... Diagnosis #Algorithm #causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loop and thiazide diuretics ... Post-obstructive diuresis ... - Hungry bones syndrome ... Low #Magnesium #Table ... Classification #Causes
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
• Refeeding Syndrome ... Acute Respiratory Alkalosis ... Osteomalacia • Fanconi Syndrome ... • Osmotic Diuresis ... endocrinology #causes