14 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... unclear origin • Sinus ... arrest, prolonged PR ... BrighamMedRes #Pacemaker ... #Indications #PPM
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The P wave and PR ... normal • The PP ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... diagnosis #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The P wave and PR ... normal • The PP ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... diagnosis #ekg #ecg #electrocardiogram
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... : • Sick Sinus ... Block • Pacemaker ... Tachy-Brady Syndrome #Syncope
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
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
Pacemaker Indications
Class I
 • Symptomatic sinus node dysfunction
 • 3° AV or type 2 2° AV
Pacemaker Indications ... • Symptomatic sinus ... ° AV block • Syncope ... etiology with sinus ... #PPM #indications
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
and an irregular PP ... and PR interval ... : VARIANT OF SINUS ... focus from the sinus ... cardiology #ekg #ecg #electrocardiogram
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
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
II (3) 60-100 bpm ... Intervals - PR ... ectopic atrial pacemaker ... leads rsr'), V-pacemaker ... EKG #diagnosis #electrocardiogram