180 results
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
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 ... interval (delays time repolarization ... prolong AV node repolarization
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
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
WAP - Wandering Atrial Pacemaker #Clinical #Cardiology #MedStudent #EKG #WAP #WanderingAtrialPacemaker #ECGEducator
WAP - Wandering Atrial ... Pacemaker #Clinical
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
EMBOLISM - LBBB (PACEMAKER ... - BENIGN EARLY REPOLARIZATION
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
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
tachycardia • Atrial ... tachycardia • Atrial ... Irregular: • Atrial ... • Multifocal atrial ... aberrancy • Pacemaker-facilitated
Severe Left Atrial Enlargement on Echocardiogram
Have you ever seen a left atrium this big!?!? 
LA diameter
Severe Left Atrial ... ever seen a left atrium ... officialdrk12 #Left #Atrial ... Echocardiogram #Clinical #POCUS
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Pacemaker Mutifocal ... Pacemaker: VARIANT ... of the dominant pacemaker ... focus from the ... node to latent pacemakers