15 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Tachycardia (MAT ... • Hypoxia • Pulmonary ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... tachycardia ECG ... #MAT #Multifocal ... #tachycardia #cardiology ... #diagnosis #ekg
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg ... cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate (e.g ... with caution in pulmonary ... flutter or MAT ... Control rate (e.g ... with caution in pulmonary
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
pathway between the atria ... (known as the bundle ... of Kent) may stimulate ... ventricles to contract ... #MedStudent #EKG
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... includes both MAT ... rhythm, in sharp contrast ... #ekg #ecg #electrocardiogram ... #comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... This is in contrast ... VT #VTach #SVT #Comparison ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... Hypokalemia • Bundle ... 300 = NSVT EKG ... capture of the atria ... #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... and ventricles contract ... simultaneously at ... EKG of the same ... excludes other differentials