23 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... retrograde) - AVNRT ... , AVRT, Junctional ... differential #diagnosis #causes ... #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Tachycardia (FAT ... Tachycardia (MAT ... (AVNRT) • Ventricles ... Differential #Diagnosis #Causes ... #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Tachycardia #MAT ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Treat underlying cause ... flutter or MAT ... #Treatment #management ... #cardiology #algorithm
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Framework and Management ... , AVNRT, AVRT, Atrial ... Irregular SVT: Atrial ... Fibrillation, MAT ... #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). left anterior ... Subepicardial atrial ... ddx: AVNRT, AVRT ... , atrial tachycardia ... criteria only looks at
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - In most case ... ECG usually shows ... at rates of 120 ... #cardiology #SVT
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... Diagnosis and Management ... /AVNRT. ... • Atrial Flutter ... #cardiology #wide
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Drive: • Sinus Tachycardia ... common finding) • Atrial ... also a result of atrial ... Leads (VI-V3) +/- Inferior
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... associated with anxiety may ... maneuvers: SVT-AVNRT ... bending over: AVNRT ... #Palpitations #Cardiology