62 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Metabolic Alkalosis - Differential ... Low Cl intake, Diuretics ... (late) • High ... Urine Cl-: Diuretics ... Diagnosis #Algorithm #nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... • Osmotic diuresis ... Hypernatremia #Differential ... Diagnosis #Causes #nephrology ... #sodium #high
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Low Cl intake, Diuretics ... (late) • High ... Urine Cl-: Diuretics ... Diagnosis #Algorithm #Nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loop and thiazide diuretics ... Post-obstructive diuresis ... - Hungry bones syndrome ... Hypomagnesemia #Differential ... Low #Magnesium #Table
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
hypernatremia - Cushing's syndrome ... , Loop diuretics ... Postobstructive diuresis ... Diagnosis #Comparison #Table ... #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... • HTN, High Aldosterone ... Loop and thiazide diuretics ... #Hypokalemia #Differential ... potassium #low #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hypertensive: • High ... >20 mEq/24 h - Diuretics ... #Hypokalemia #Differential ... Diagnosis #Algorithm #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome ... ; High-Ceiling Diuretics ... and nephrotic syndrome ... #Nephrology #Pharmacology ... #Medications #Table
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
, Bartter's syndrome ... use), Gitelman's syndrome ... excess and related syndromes ... Hypokalemia #Causes #differential ... #diagnosis #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... Renal losses, Diuretic ... Ketonuria, Osmotic diuresis ... #Hyponatremia #Differential ... Algorithm #Causes #nephrology