137 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phase I - Initial Repolarization ... Delays ventricular repolarization ... - Ventricular Repolarization ... inotropy) ACCP Cardiology ... pathophysiology #phases #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization ... inotropy) ACCP Cardiology ... pathophysiology #cardiology
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... Properties Class ... involved in phase 3 repolarization ... • Prolongs repolarization ... Pharmacology #Agents #Cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... Blockade • Slows depolarization ... Blockade • Slows depolarization ... Blockade • Slows depolarization ... #cardiology #pharmacology
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
ACUTE STEMI - PULMONARY ... - BENIGN EARLY REPOLARIZATION ... Differential #Diagnosis #Cardiology
Chest XRay Consolidation Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Consolidation #Pattern #Differential #Algorithm #RadiologyAssistant
- Differential Algorithm ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #Algorithm
Chest XRay Interstitial Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Interstitial #Pattern #Differential #Algorithm #RadiologyAssistant
- Differential Algorithm ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #Algorithm
Causes of Diastolic Murmurs - Differential Diagnosis Algorithm
Early Diastolic:
 • Aortic Regurgitation
 • Pulmonary Regurgitation (Graham-Steell
Differential Diagnosis Algorithm ... Regurgitation • Pulmonary ... Diastolic #Murmurs #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
Chest XRay Nodule / Mass Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Nodule #Mass #Pattern
- Differential Algorithm ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #Algorithm
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Differential Diagnosis Algorithm ... • Myocarditis Pulmonary ... Vascular • Pulmonary ... ChestPain #Noncardiac #Cardiology ... Differential #Diagnosis #Algorithm