10 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... - Summary Table ... - Strong Medicine ... #Summary #Table ... #pharmacology #
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Sodium Channel Blockers ... Indications, Side Effects ... #ClassI #Na #cardiology ... #pharmacology # ... table #comparison
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
Pharmacology Comparison ... Table Metoprolol ... limited by side effects ... - Strong Medicine ... #Pharmacology #
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines
Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine)
 • SVR: Decrease
 • Inotropy:
Calcium Channel Blockers ... Eric Strong @DrEricStrong ... - Strong Medicine ... NonDihydropyridines #pharmacology ... #comparison #table
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... channel blocking effects ... 1C: Strong Blockade ... Vaughan #Williams #Pharmacology ... #Classification
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... Vaughan Williams Classification ... channel blocking effects ... 1C: Strong Blockade ... #Classification
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Medication side effect ... (e.g. αblockers ... Medication side effect ... Eric Strong https ... #Table #Causes
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... Potassium Channel Blockers ... Indications and Side Effects ... - Strong Medicine ... #pharmacology #
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
of alpha-blockers ... vera, Licorice - Causes ... potential arrhythmias Class ... supplementals #herbal #pharmacology ... #DDI #table #cardiology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Genetic defects ... Eric Strong https ... Low #Magnesium #Table ... #Classification ... #Causes #Workup