9 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... RBBB/LBBB with syncope ... unclear origin • Sinus ... arrest, prolonged PR ... BrighamMedRes #Pacemaker
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The P wave and PR ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The P wave and PR ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... : • Sick Sinus ... Block • Pacemaker ... Tachy-Brady Syndrome #Syncope
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (2) Sinus ... block 1º - long PR ... successively longer PR ... - ventricular pacemaker ... EKG #diagnosis #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
irregular PP and PR ... : VARIANT OF SINUS ... focus from the sinus ... cardiology #ekg #ecg #electrocardiogram ... #comparison
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
PR interval ... There is constant PR ... by a junctional pacemaker ... an infra-Hisian pacemaker ... ecg #diagnosis #electrocardiogram
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Heart Block • In sinus ... • The PR interval ... by a junctional pacemaker ... an infra-Hisian pacemaker ... ecg #diagnosis #electrocardiogram
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
PR interval ... P wave during sinus ... ectopic atrial pacemaker ... diagnosis #ekg #ecg #electrocardiogram