7 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: • MOA: Block ... 2 - Beta Blockers ... : • MOA: Block ... : • MOA: Block ... #Classes #pathophysiology
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
and Management Algorithm ... sick sinus, AV block ... Hypothyroidism - TOX: beta-blockers ... LIFE THREATENING CAUSES ... TREATMENT - Drugs (beta-blockers
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
: • MOA: Block ... 2 - Beta Blockers ... : • MOA: Block ... : • MOA: Block ... #Classes #pathophysiology
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Consider known drug causes ... toxicity (→ 3-10); beta-blocker ... calcium channel blocker ... Intraoperative #Checklist ... Diagnosis #Management #Workup
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pharmacology and Pathophysiology ... Pump - Digoxin works ... - When digoxin blocks ... intracellular calcium causes ... Since digoxin blocks
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia
• Can occur with deliberate or accidental
Central Neuraxial Block ... Consider other causes ... Central #Neuraxial #Block ... Intraoperative #Checklist ... Diagnosis #Management #Workup
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
effects of neuraxial block ... hypovolaemia or combined causes ... team. ❼ Consider causes ... Intraoperative #Checklist ... Diagnosis #Management #Workup