1520 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 ... Classification: CLASS ... duration - CLASS
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... and magnitude of depolarization ... prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... Properties Class ... Mayo, Pickle") Class ... involved in phase 3 repolarization ... • Prolongs repolarization
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... Blockade • Slows depolarization ... Widens QRS complex Class ... Blockade • Slows depolarization ... Blockade • Slows depolarization
Diagnosis of Hypokalemia - Differential Algorithm 

Categorized by Causes: Redistribution, Extrarenal Losses, Renal Losses (High and
Hypokalemia - Differential ... Algorithm Categorized ... , Renal Losses ( ... #Hypokalemia #Differential ... #Algorithm
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Differential Diagnosis ... - BENIGN EARLY REPOLARIZATION ... STElevation #STEMI #Differential
Hyperkalemia Differential Diagnosis Algorithm

#Hyperkalemia #Differential #Diagnosis #Algorithm #PseudoHyperkalemia #Nephrology #Causes
Hyperkalemia Differential ... Diagnosis Algorithm ... #Hyperkalemia #Differential ... #Diagnosis #Algorithm ... PseudoHyperkalemia #Nephrology #Causes
Weakness - Differential Diagnosis Algorithm

Kara Lau @ytk_lau

#Weakness #Differential #Diagnosis #Algorithm #causes
Weakness - Differential ... Diagnosis Algorithm ... #Weakness #Differential ... #Diagnosis #Algorithm ... #causes
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... or other losses ... #Hyponatremia #Differential ... #Diagnosis #Algorithm
Causes of Hypercalcemia - Differential Diagnosis Algorithm

#Hypercalcemia #Differential #Diagnosis #Algorithm #Causes
- Differential ... Diagnosis Algorithm ... Hypercalcemia #Differential ... #Diagnosis #Algorithm ... #Causes