2 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... Class II: • Mobitz ... • First degree AV ... arrest, prolonged PR ... of AV block -
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... depolarization • ↑ PR ... interval to prolong AV ... velocity) - ↑ PR ... #Pharmacology #Classification