18 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... 3 different P wave ... retrograde) - AVNRT ... , AVRT, Junctional ... diagnosis #causes #cardiology
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
T Waves: Benign Early Repolarization vs Hyperacute T Waves vs Peaked T Waves 

BER = Notching
Notching or slurring at ... J-point; Prominent ... symmetrically peaked #ECG ... #EKG #cardiology ... BenignEarlyRepolarization #Comparison
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... ) on EKG • Heart ... 3 distinct P-wave ... #cardiology #EKG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... ddx: AVNRT, AVRT ... , atrial tachycardia ... #differential #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - Premature atrial ... ECG usually shows ... at rates of 120 ... #cardiology #SVT
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate (e.g ... flutter or MAT ... Control rate (e.g ... Treatment #management #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... /AVNRT. ... • Atrial Flutter ... SarahFoohey #Tachycardia ... Diagnosis #Management #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... the atria and ventricles ... simultaneously at ... EKG of the same ... #JVP #Cardiology
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
tachycardia ECG ... #MAT #Multifocal ... #tachycardia #cardiology ... #diagnosis #ekg ... electrocardiogram #clinical #comparison