12 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Tachycardia (MAT ... different P wave ... #Tachycardia #MAT ... #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 ... P wave morphologies ... #differential #diagnosis ... #causes #cardiology
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... 3 distinct P-wave ... #Tachycardia #diagnosis ... #cardiology #EKG
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
tachycardia ECG ... least 3 different ... #MAT #Multifocal ... #tachycardia #cardiology ... #diagnosis #ekg
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... ) - 3 different ... P waves in lead ... #EKG #diagnosis ... electrocardiogram #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... : Differential diagnosis ... aVR • Classic EKG ... #ekg #differential ... #cardiology
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... both MAT (atrial ... of a variable P-wave ... least 3 different ... #cardiology #ekg
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... are enough to diagnose ... #AVNRT #PhysicalExam ... #JVP #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... capture of the atria ... Differential Diagnosis ... arrhythmia • Atrial ... #differential #cardiology
Coronary Ostium Obstruction by Aortic Intimal Flap on Echocardiogram
Aortic intimal flap may alternately obstruct right and
ECG leads Ivan ... Flap #dissection #a4c ... #plax #Echocardiogram ... #clinical #cardiology ... #pocus