283 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Atrial depolarization ... contraction of atrial ... prolong AV node repolarization ... prolong AV node repolarization ... Classification #Classes
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
Pacemaker Operating ... paced A (atrium ... sensed or paced atrial ... during which an atrial ... sensed by the atrial
Major electrocardiogram findings induced by left ventricular hypertrophy (LVH)
An increase in left ventricular mass augments the
alteration in repolarization ... abnormalities in left atrial ... depolarization ... delay or actual atrial
Comparison between Wandering atrial pacemaker (A) vs multifocal atrial arrhythmia (B)

#WAP #MAR #wandering #atrial #pacemaker #comparison
between Wandering atrial ... pacemaker (A) vs ... multifocal atrial ... MAR #wandering #atrial ... #pacemaker #comparison
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... tachycardia • Atrial ... tachycardia • Atrial ... aberrancy • Pacemaker-facilitated ... Diagnosis #Algorithm #Causes
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
EMBOLISM - LBBB (PACEMAKER ... - BENIGN EARLY REPOLARIZATION
WAP - Wandering Atrial Pacemaker #Clinical #Cardiology #MedStudent #EKG #WAP #WanderingAtrialPacemaker #ECGEducator
WAP - Wandering Atrial ... Pacemaker #Clinical
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
and magnitude of depolarization ... prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization ... Classification #Classes
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
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
wave - due to atrial ... - due to right atrial ... • c wave - caused ... to subsequent atrial ... y descent - is caused