22 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... ) • At least 3 ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... • Atrial tachycardia ... aberrancy • Pacemaker-facilitated ... #Causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... underlying cause ... underlying cause ... #Treatment #management ... #cardiology #algorithm
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... rate ≥ 100 beats ... #Rhythm #tachycardia ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... 200ms from longer pause ... - ventricular pacemaker ... #EKG #diagnosis ... electrocardiogram #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Rhythm Abnormal Beats ... tachyarrhythmias #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... • Treatment: Pacemaker ... P and QRS • Atrial ... summary #Diagnosis #EKG ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - Premature atrial ... - In most case ... ECG usually shows ... Pathophysiology #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... valve prolapse • Pacemaker-mediated ... Valvular disease (e.g ... #Palpitations #Cardiology
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
Pacemaker Operating ... allow the heart to beat ... tachycardia) Additional ... Pacing #settings #cardiology ... #management