28 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... (late) • High ... Urine Cl-: Diuretics ... #Algorithm #Nephrology ... #Causes
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
- Differential Diagnosis ... and Gitelman syndrome ... Hypomagnesemia - Acquired ... renal transplant, Diuretic ... #causes #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... Pain/Post-op • Neurologic ... especially thiazide diuretics ... Reduced GFR, AKI/CRF
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... Pain/Post-op • Neurologic ... especially thiazide diuretics ... Reduced GFR, AKI/CRF
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... • HTN, High Aldosterone ... Loop and thiazide diuretics ... #Algorithm #causes ... potassium #low #nephrology
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... and Differential Diagnosis ... Congenital (e.g., HHT), Acquired ... #HeartFailure #CHF ... #cardiology #causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... ; High-Ceiling Diuretics ... Kidney stones caused ... • Hypovolemic shock ... #Nephrology #Pharmacology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... >20 mEq/24 h - Diuretics ... #Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... - Differential Diagnosis ... tubular transport • Diuretics ... Licorice • Liddle's Syndrome ... #Algorithm #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• K sparing diuretics ... - Tumor lysis syndrome ... Hypoaldosteronism • Acquired ... #causes #potassium ... #high #nephrology