4 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
#hyperkalemia #differential ... #diagnosis #pathophysiology ... #pharmacology # ... potassium #medications ... #druginduced
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Common Medications ... Known to Prolong QTc ... Antiarrhythmics ... #Causes #differential ... #diagnosis #pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... reduce speed of ion ... repolarization CLASS 3 - Potassium ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... repolarization CLASS 3 - Potassium ... #Pharmacology # ... Classification #Classes #pathophysiology