3 results
Adrenoceptor Actions
α1
 • Vascular smooth muscle - Contraction
 • Genitourinary smooth muscle - Contraction
 • Intestinal
Adrenoceptor Actions ... • Heart - ↑ Inotropy ... #adrenergic #receptors ... #actions #pharmacology ... pathophysiology #comparison
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
• MOA: Inhibit B.adrenergic ... current) causing ↓SA ... block alpha & beta adrenergic ... force (negative inotropy ... Vaughan #Williams #Pharmacology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... current) causing ↓SA ... block alpha & beta adrenergic ... force (negative inotropy ... Antiarrhythmics #Pharmacology