11 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Atria: Premature ... Atrial Contractions ... (PACs), Atrial ... (PST), Focal Atrial ... ), Multifocal Atrial
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Atrial fibrillation ... ventricular response • Atrial ... Complete Heart Block and ... Escape Rhythm • Atrial ... :1 AV Block • Bidirectional
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... Arrhythmia (MAA ... an irregular PP ... OF SINUS ARRHYTHMIA ... #Rhythm #tachycardia
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
paced A (atrium ... sensed or paced atrial ... Post-ventricular atrial ... during which an atrial ... sensed by the atrial
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Paroxysmal AF, atrial ... flutter, or atrial ... : • Atrial fibrillation ... • Multifocal atrial ... valve prolapse • Pacemaker-mediated
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... Wandering Atrial ... Pacemaker: • ... several cycle the pacemaker ... #cardiology #diagnosis
Pacemaker
There are different types of cardiac pacemakers.
Here we see a pacemaker with one lead in the
lead in the right atrium ... and another in ... #Clinical #Radiology ... #CXR #Biventricular ... #PPM #Pacemaker
Pacemaker Timing Settings
 • Lower rate limit (50-60 bpm) - The lowest rate at which the
sensed or paced atrial ... Post-ventricular atrial ... during which an atrial ... sensed by the atrial ... tachycardia)
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... Wandering Atrial ... Pacemaker: • ... several cycle the pacemaker ... #cardiology #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... • Predictor of arrhythmia ... in aVR > 0.7: ppv ... : AVNRT, AVRT, atrial ... #differential #cardiology