4 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... 1C: Strong Blockade ... causing ↓SA node and AV ... interval to prolong AV ... #Pharmacology #Classification
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
Diagnostic algorithm ... neuritis from stroke ... patients with AVS ... sensitivity for stroke ... #Posterior #CVA
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... 1C: Strong Blockade ... interval to prolong AV ... interval to prolong AV ... #Pharmacology #Classification
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
disease b) CHF ... c) CVA 4. ... ASA class If ... event, follow ACC algorithm ... • <6mo since stroke