17 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loop and thiazide diuretics ... Hypokalemia - Osmotic diuresis ... Post-obstructive diuresis ... - Gitelman ... #Causes #Workup
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
plasma insulin (treatment ... , Osmotic diuresis ... use), Gitelman's ... #differential #diagnosis ... #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Loop and thiazide diuretics ... , Gitelman syndrom ... #Algorithm #causes ... #potassium #low ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diagnosis of ... irrigation • Management ... Kidney stones caused ... Prevention of blood ... #Diuresis #Nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... hypokalemia • Renal ... Post-hypercapnia • Diuretics ... , Gitelman's syndrome ... #nephrology #potassium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... Alkalosis: Emesis, Diuretics ... , Gitelman syndrome ... #Hypokalemia #diagnosis ... #nephrology #low
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Gitelman Syndrome ... Workup Blood Work ... Normotensive - No diuretic ... #Syndrome #Diagnosis ... #Workup #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... with thiazide diuretic ... Surreptitious diuretic ... #Syndrome #diagnosis ... #nephrology #management
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Thiazide or loop diuretics ... diuretic effect ... Thiazide or loop diuretics ... other • Severe potassium ... #Causes #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
G-K), K-sparing diuretics ... (IV loop diuretic ... - IV loop diuretic ... #Management #Treatment ... #potassium #nephrology