69 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phase I - Initial Repolarization ... inotropy) ACCP Cardiology ... Classification #Classes ... #pathophysiology ... #phases #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
prolong AV node repolarization ... inotropy) ACCP Cardiology ... Classification #Classes ... #pathophysiology ... #cardiology
Pacemaker Identification Algorithm

For more assistance check out this free application that uses AI to identify from
Algorithm For ... application that uses ... Identification Algorithm ... #Diagnosis #Cardiology ... #Radiology #CXR
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
EMBOLISM - LBBB (PACEMAKER ... - BENIGN EARLY REPOLARIZATION ... Differential #Diagnosis #Cardiology
Temporary / External Pacing
 • Transvenous & epicardial pacing are temporary methods of supporting brady- &
permanent implanted pacemaker ... required to trigger depolarization ... to identify a depolarization ... MD @nickmmark #pacemaker ... External #Pacing #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... aberrancy • Pacemaker-facilitated ... Differential #Diagnosis #Algorithm ... #Causes #cardiology
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
Pacemaker Operating ... period of time the pacemaker ... would trigger pacemaker-mediated ... The voltage the pacemaker ... Pacing #settings #cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Blockade • Slows depolarization ... Blockade • Slows depolarization ... Blockade • Slows depolarization ... Classification #Classes ... #cardiology #pharmacology
Congestive Heart Failure - Causes, Pathophysiology and Differential Diagnosis
 • Dilated Cardiomyopathy 
 • Hypertrophic Cardiomyopathy
Heart Failure - Causes ... , Pathophysiology ... • Other HFpEF Causes ... #Pathophysiology ... Differential #Diagnosis #cardiology
Shock - Pathophysiology 
Inadequate tissue perfusion to meet O2, nutrient requirements
1. Distributive Shock
2. Hypovolemic Shock
3. Cardiogenic
Shock - Pathophysiology ... Shock #Shock #Pathophysiology ... differential #diagnosis #algorithm ... #causes