19 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... , AVRT, atrial tachycardia ... #AVR #leadAVR #ecg ... cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... 3 different P wave ... , AVRT, Junctional ... #Tachycardias #differential ... diagnosis #causes #cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... depression in aVR ... leads indicates atrial ... inverted #Diagnosis #EM ... #IM #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
the atria and ventricles ... simultaneously at ... EKG of the same ... excludes other differentials ... that’s called “clinical
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Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Tachycardia (SVT) - Differential ... Sinus Tachycardia, AVNRT ... , AVRT, Atrial Flutter ... Fibrillation, MAT ... #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... deflection not AVRT ... /AVNRT. ... • Atrial Flutter ... #cardiology #wide
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Premature atrial ... depolarizes the atria ... ECG usually shows ... complex tachycardia at ... Pathophysiology #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... or AVRT - Observe ... flutter or MAT ... Tachycardia #Treatment #management ... #cardiology #algorithm
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
"Sinus Tach" at ... look for flutter waves ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV ... electrocardiogram (ECG ... by a blocked P wave ... #Clinical #EM #IM ... #Cardiology #MedStudent