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Tachycardia - Wide vs Narrow Complex, Regular vs Irregular rhythm table

#Diagnosis #Cardiology #EKG #ECG #WideComplex #Narrow
#Diagnosis #Cardiology ... #EKG #ECG #WideComplex ... #Narrow #Tachycardia ... Irregular #Table #Comparison ... #Differential
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... in narrow complex ... tachycardias - ... from SVT with aberrancy ... #Diagnosis #Cardiology
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
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Diagnosis • Narrow ... • Narrow QRS - ... flutter w/ variable AV ... with variable AV ... Diagnosis #cardiology
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
, Wide-Complex Tachycardia ... AV Dissociation: ... there evidence of AV ... twitter.com/thame #WideComplex ... #Diagnosis #Cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
- Differential ... Diagnosis Algorithm Narrow ... Atrial flutter • AV ... • AV reentrant ... Narrow Complex
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • SA Block • AV ... AVNRT • AVRT ... WPW) - Narrow ... with Variable AV
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... Atrial Flutter, AVRT ... , Antidromic AVRT ... #Differential # ... Diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... Wide QRS - Distal AV ... #differential
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... > SVT+conduction ... abnormality • Beware AV ... #Differential # ... Irregular #causes #cardiology