12 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
: • MOA: Block ... 2 - Beta Blockers ... : • MOA: Block ... primarily) and block ... : • MOA: Block
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... - Summary Table ... are beta blockers ... #Medications #Classification ... #Summary #Table
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 ... primarily) and block ... : • MOA: Block
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... pauses • AV block ... side effect (e.g. αblockers ... Differential #Diagnosis #Classification ... #Table #Causes
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
Clinically Significant ... increased bleed risk Beta-Blockers ... Decreases effects of beta-blockers ... potential arrhythmias Class ... pharmacology #DDI #table
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... from different classes ... with previously stable ... non-obese, non-black ... 109 mm Hg) with clinical
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia
• Can occur with deliberate or accidental
Central Neuraxial Block ... hypnosis as soon as clinical ... Consider other causes ... Central #Neuraxial #Block ... Diagnosis #Management #Workup
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
absent in severe cases ... glucagon in ß-blocked ... as patient is stable ... an appropriate critical ... Diagnosis #Management #Workup
Perhaps quite too often, the knee-jerk reaction to an elevated Troponin is to call our friends
are typically able ... to effectively block ... #diagnosis #algorithm ... echocardiogram #management #clinical