14 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR in narrow cornplex ... • Narrow complex ... tachycardia (SVT ... cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... "PSVT" (atrioventricular ... retrograde) - AVNRT, AVRT ... differential #diagnosis ... #causes #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... > SVT+conduction ... abnormality • Beware AV ... #Differential # ... #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential ... Diagnosis Algorithm Narrow ... Narrow Complex ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... (>100 bpm) - Narrow ... WPW) - Narrow ... #Differential # ... Diagnosis #Algorithm #causes
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
Supraventricular Tachycardia ... great ECG case of ... @EM_RESUS #AVRT ... #Tachycardia #EKG ... #Cardiology #EKG
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... flutter (3) SVTs ... 200ms from longer pause ... #EKG #diagnosis ... #differential
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Narrow-Complex ... Probably AVnRT or AVRT ... Treat underlying cause ... #cardiology #algorithm
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... cardioversion • If known SVT ... WPW) - Avoid AV ... nodal agents (e.g ... aberrancy - Follow narrow-complex
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... & termination: SVT ... or AVRT • Standing ... #Palpitations #Cardiology ... #Differential #