27 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
4 Variants of Sinus ... The P wave and PR ... 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
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
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... • Treatment: Pacemaker ... • Treatment: Pacemaker ... Diagnosis #EKG #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... The P wave and PR ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... diagnosis #ekg #ecg #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Osborn) waves • PR ... bradyarrythmias (e.g. sinus ... waves #EKG #ECG #electrocardiogram
WPW EKG after cardioversion of SVT

Here is the post-conversion ECG

The patient is now in Sinus Rhythm,
patient is now in Sinus ... The PR interval ... WPW #EKG #ECG #Electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Wandering Atrial Pacemaker ... irregular PP and PR ... : VARIANT OF SINUS ... focus from the sinus ... cardiology #ekg #ecg #electrocardiogram
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
look like the sinus ... PAC will have a PR ... diagnosis #ekg #ecg #electrocardiogram