31 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial Tachycardia ... • Oxygen • Treatment ... #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
aVR is a good ECG ... #Clinical #EM #IM ... #Cardiology #EKG
It starts as sinus rhythm with probable inferior STEMI, but becomes ventricular fibrillation (or polymorphic ventricular
polymorphic ventricular tachycardia ... #Clinical #EM #Cardiology ... #EKG #Arrest #VentricularTachycardia
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzI #
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... Control rate (e.g ... #Treatment #management ... #cardiology #algorithm
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... Wide-Complex Tachycardia ... nodal agents (e.g ... #Treatment #management ... #cardiology #algorithm
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
performed) • Clinical ... Cardiovascular MRI Clinical ... Unexplained sinus tachycardia ... gallop • Abnormal ECG ... #Cardiology
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... with sinus tachycardia ... Michael Macias, EM ... Northwestern University #Clinical ... #EM #Radiology
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
characterized on a surface ECG ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #EKG #MobitzII