30 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... - Hypokalemia ... #Differential # ... Low #Magnesium #Table ... Causes #Workup #hypomg
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
and hypomagnesemia ... Hypokalemia ... - Shift from extracellular ... #Medications #differential ... nephrology #Causes #hypomg
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Renal loss • Medication ... • Hypomagnesemia ... Transcellular shift ... #Differential #
Hyperkalemia - Differential Diagnosis - Impaired Excretion vs Redistribution

Impaired Urinary Excretion 
 - Renal failure
 -
Hyperkalemia - Differential ... Rhabdomyolysis Medications ... - Exercise - Hyperkalemic ... #Differential # ... Diagnosis #Table
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... Thyrotoxicosis Medications ... Transcellular shifts ... #Differential #
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - ... Differential Diagnosis ... - Acquired: Medications ... pentamidine), Hypercalcemia ... #differential #
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Increased EC shift ... #differential # ... diagnosis #pathophysiology ... pharmacology #potassium #medications
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... , Hypermagnesemia ... Hypocalcemia, Hypomagnesemia ... Testing #Causes #differential ... #diagnosis #table
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... - Differential ... Transcellular Shift ... #Differential # ... potassium #low #pathophysiology
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... Hyperkalemia ... transcellular shifts ... renal function, medication ... #Differential #