6 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... induced 2nd or 3rd ... with syncope • ... arrest, prolonged PR ... BrighamMedRes #Pacemaker
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Treatment: Pacemaker ... 3rd Degree, Complete ... • Treatment: Pacemaker ... HeartBlocks #Types #Classification
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... Node) • 2nd/3rd ... degree AV Block ... • Pacemaker
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
assessment in Syncope ... - Bifascicular block ... look for a short PR ... look for 2nd or 3rd ... degree block or
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
• The PR interval ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #ThirdDegree #3rd ... #AVBlock #Complete
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 ... electrocardiogram #classification