11 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
abnormalities - Hypercalcemia ... - Hypokalemia ... - Gitelman ... syndrome - ... Causes #Workup #hypomg
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... tubular acidosis • Gitelman's ... syndrome • Bartter's ... syndrome Extrarenal ... Transcellular shift
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... hypomagnesemia Hypokalemia ... - Shift from extracellular ... renal Fanconi syndrome ... nephrology #Causes #hypomg
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... creatinine) • Cell shift ... excess, Liddle syndrome ... , Gitelman syndrome ... #hypokalemia
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Compartment syndrome ... - Endocrine: Hypo ... or compartment syndrome ... Shift of extracellular ... Treatment of underlying
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
iniury, Compartment syndrome ... Neuroleptic malignant syndrome ... etc), Endocrine (Hypo ... Shift of extracellular ... Dialysis for severe hyperkalemia
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... cotransporter • Gitelman's ... Pseudo Bartter-Gitelman ... Rhabdomyolysis Treatment ... Magnesium #Gitelman
Gitelman Syndrome - Management
Treatment includes
 - Electrolyte replacement - K & Mg, preferably Cl salts
Gitelman Syndrome ... - Management Treatment ... In persistent hypokalemia ... #Syndrome #Management ... #Treatment #nephrology
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
Electrolyte/fluid shifts ... • These shifts ... • Hypo-K • ... Hypo-Mg2+ • Vitamin ... hyperparathyroidism Treatment
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts ... plasma insulin (treatment ... diuretic use), Gitelman's ... or induced) #Hypokalemia