34 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... Tachycardia (MAT ... #differential #diagnosis ... #causes #cardiology
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... Visualmedapp #MAT ... #Tachycardia #diagnosis ... #cardiology #EKG
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Tachycardia (FAT ... Tachycardia (MAT ... #Differential #Diagnosis ... #Causes #cardiology
Supraventricular Tachycardia Differential Diagnosis
Sinus Tachycardia
Sinus Node Re-entry Tachycardia
Unifocal Atrial Tachycardia
Junctional Tachycardia
Multifocal Atrial Tachycardia (MAT)

- EB Medicine
Differential Diagnosis ... Unifocal Atrial ... Atrial Tachycardia ... (MAT) - EB Medicine ... #causes #svt #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Drive: • Sinus Tachycardia ... also a result of atrial ... Leads (VI-V3) +/- Inferior ... Embolism #AcutePE #diagnosis
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
flutter waves in the inferior ... At times, the direction ... flutter waves in the inferior ... #Diagnosis #ECG ... #EKG #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... Treat underlying cause ... flutter or MAT ... Treat underlying cause ... Treatment #management #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). left anterior ... Subepicardial atrial ... : Differential diagnosis ... : AVNRT, AVRT, atrial ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... tachycardia (MAT ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology