11 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Multifocal Atrial ... ) ≥ 3 different ... A regular rhythm ... differential #diagnosis #causes ... #cardiology
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... Irregularly irregular rhythm ... #Atrial #Tachycardia ... #diagnosis #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Hypoxia • Pulmonary ... #Atrial #Tachycardia ... #MAT #Cardiology ... #EKG #Management
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Junctional escape rhythm ... ), Multifocal Atrial ... (V-tach, VT), Monomorphic ... Differential #Diagnosis #Causes ... #cardiology
Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, specifically a type of supraventricular
) atrial tachycardia ... chronic obstructive pulmonary ... atrial tachycardia ... atrial rhythm). ... Clinical #MedStudent #EKG
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... rhythm & Multifocal ... atrial tachycardia ... #atrial #rhythm ... #tachycardia #cardiology
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... Rhythm / Multifocal ... Atrial Tachycardia ... #Atrial #Rhythm ... #ekg #ecg #electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Regular Rhythm: ... Treat underlying cause ... Irregular Rhythm ... Treat underlying cause ... Treatment #management #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
block (3) Multifocal ... atrial tachycardia ... P waves in lead ... arrest - escape rhythms ... electrocardiogram #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Physical exam • 12-lead ... sinus syndrome) • Multifocal ... atrial tachycardia ... Pheochromocytoma • Pulmonary ... #Palpitations #Cardiology