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

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... A regular rhythm ... tachycardia #NarrowComplex ... #differential #diagnosis ... #causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Tachycardia Regular Rhythm ... cause Irregular Rhythm ... flutter or MAT ... cause #Stable #NarrowComplex ... Treatment #management #cardiology
Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, specifically a type of supraventricular
tachycardia (MAT ... chronic obstructive pulmonary ... rhythm). ... #Clinical #MedStudent ... #EKG #MAT #MultifocalAtrialTachycardia
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... ) - 3 different ... arrest - escape rhythms ... #EKG #diagnosis ... electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & regular rhythm ... P and QRS • Atrial ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
criteria for the diagnosis ... both MAT (atrial ... least 3 different ... Pacemaker #wap #diagnosis ... #cardiology #ekg
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
rhythm & Multifocal ... least 3 different ... #atrial #rhythm ... #tachycardia #cardiology ... #diagnosis #ekg
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... correlate in the SHOCK trial ... with irregular rhythms ... artery #catheter #diagnosis ... #cardiology #swanganz
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... Pheochromocytoma • Pulmonary ... associated with anxiety may ... #Palpitations #Cardiology