8 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Tachycardia (MAT ... different P wave ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... tachycardia (MAT ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - Premature atrial ... ECG usually shows ... at rates of 120 ... Pathophysiology #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... Control rate (e.g ... flutter or MAT ... #Treatment #management ... #cardiology #algorithm
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... of a variable P-wave ... terminalis) or in AV ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... • May be no pattern ... P and QRS • Atrial ... • Block in AV ... #cardiology
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
the heart • AV ... of retrograde P waves ... pacemaker-mediated tachycardia ... Pacing #settings #cardiology ... #management
Pacemaker Timing Settings
 • Lower rate limit (50-60 bpm) - The lowest rate at which the
the heart • AV ... of retrograde P waves ... pacemaker-mediated tachycardia ... Timing #Pacing #cardiology ... #management #settings