9 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Transcellular Shift ... Refeeding Syndrome #Hypokalemia ... #potassium #low ... #pathophysiology
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
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Potassium-Binding ... 15 g QD • Side Effects ... of aspiration #Potassium ... #medications #pharmacology ... #table #comparison
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... - Hyperkalemia ( ... ) is a side effect ... #Pathophysiology
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
130 mEq/L • Potassium ... Is Dangerous in Hyperkalemia ... transcellular shift ... #pharmacology # ... effects
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Dermatomyositis) AKI - Pathophysiology ... Shift of extracellular ... Monitor potassium ... Dialysis for severe hyperkalemia ... Management #Summary #causes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... channel blocking effects ... 3 - Potassium Channel ... Vaughan #Williams #Pharmacology ... #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... channel blocking effects ... 3 - Potassium Channel ... Antiarrhythmics #Pharmacology ... #pathophysiology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... Hereditary defects ... extracellular shift ... Hyperkalemic periodic ... Diagnosis #High #Potassium