32 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... Thyrotoxicosis Medications ... Transcellular shifts ... Diagnosis #Algorithm #nephrology ... #low #potassium
Drugs associated with hypokalemia and hypomagnesemia

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

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Renal loss • Medication ... • Hypomagnesemia ... Transcellular shift ... Diagnosis #Algorithm #Causes
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... Excretion (IV potassium ... Transcellular Shift ... #Hyperkalemia ... #Nephrology #Differential
Antiarrhythmic Drugs

CLASS IA
 • Procainamide, Quinidine, Disopyramide
CLASS 1B
 • Lidocaine, Mexiletine
CLASS 2
 • Propranolol, Esmolol
CLASS 4
Antiarrhythmic Drugs ... CLASS IA • ... Adenosine, Magnesium, Potassium ... Antiarrhythmic #Medications ... #Pharmacology #
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Mechanisms of Drug-Induced ... Hyperkalemia ... • Increased EC shift ... pathophysiology #pharmacology ... #potassium #medications
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diagnosis Renal Causes ... with secondary, hypocalcemia ... Renal Causes of ... - Acquired: Medications ... #nephrology #magnesium
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... caused by excess potassium ... transcellular shifts ... renal function, medication ... #Differential #Causes
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts ... Alcoholism (worsened by hypomagnesemia ... Conn's, Liddle's), Drugs ... #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
reactions Common Drugs ... Intracellular Shift ... Medications 2. ... #potassium #high ... #nephrology