539 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
Differential Diagnosis ... - BENIGN EARLY REPOLARIZATION ... STElevation #STEMI #Differential ... #Diagnosis #Cardiology
Sinus Tachycardia Differential Algorithm

- Dr. Tom Fadial https://twitter.com/thame

#Sinus #Tachycardia #Differential #Algorithm #Diagnosis #Cardiology #Causes
Sinus Tachycardia Differential ... Algorithm - ... #Tachycardia #Differential ... #Algorithm #Diagnosis ... #Cardiology #Causes
Diagnosis of Hypokalemia - Differential Algorithm 

Categorized by Causes: Redistribution, Extrarenal Losses, Renal Losses (High and
Hypokalemia - Differential ... Algorithm Categorized ... , Renal Losses ( ... #Hypokalemia #Differential ... #Algorithm
Causes of Diastolic Murmurs - Differential Diagnosis Algorithm
Early Diastolic:
 • Aortic Regurgitation
 • Pulmonary Regurgitation (Graham-Steell
Murmurs - Differential ... Diagnosis Algorithm ... Diastolic #Murmurs #Cardiology ... #Differential # ... Diagnosis #Algorithm
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... Early repolarization ... TWaveInversions #TWI #Differential ... #Diagnosis #Causes ... #Cardiology #ECG
Congenital Heart Disorders - Classification and Differential Algorithm

- Amy Chung, MD, MSc @AmyChung 

#Congenital #Heart #Disorders
Classification and Differential ... Algorithm - ... Classification #Differential ... #Algorithm #Diagnosis ... Peds #Pediatrics #Cardiology