18 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 ... ) ≥ 3 different ... retrograde) - AVNRT ... #differential #diagnosis ... #causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... with caution in pulmonary ... flutter or MAT ... with caution in pulmonary ... Treatment #management #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
, the atria and ... EKG of the same ... are enough to diagnose ... #PhysicalExam # ... JVP #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... tachycardia ddx: AVNRT ... , AVRT, atrial tachycardia ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... tachycardia (MAT ... ) - 3 different ... #EKG #diagnosis ... electrocardiogram #cardiology
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
LV compliance), ECG ... mitral inflow, MA ... progression, LA: left atrium ... , PASP: pulmonary ... #Diagnosis #Cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Pheochromocytoma • Pulmonary ... associated with anxiety may ... bending over: AVNRT ... #Palpitations #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 ... dominant pacemaker focus ... #cardiology #ekg
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
morphology of at ... least 3 different ... #MAT #Multifocal ... #tachycardia #cardiology ... #diagnosis #ekg