12 results
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
, AVNRT, Orthodromic ... AVRT, Atrial Tachycardia ... block, Antidromic AVRT ... • Wide QRS - Irregular ... with variable AV
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... Aflutter • AVNRT ... • AVRT (ie ... with Variable AV ... Diagnosis #Algorithm #causes
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... aVR in narrow cornplex ... : AVNRT, AVRT, atrial ... #AVR #leadAVR #ecg
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... Lead aVR can provide ... TCA-like overdose - AVRT ... Diagnosis #Cardiology #EKG ... #ECG #Lead #AVR
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs Narrow, Regular ... ST vs SVT (AVNRT ... , OAVRT, AFIutter ... abnormality • Beware AV ... #Narrow #Irregular
Supraventricular Tachycardia EKG

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

Her heart
EKG Here’s a ... great ECG case of ... Is it wide or narrow ... @EM_RESUS #AVRT ... #Tachycardia #EKG
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... or AVRT - Observe ... Control rate with AV ... Control rate (e.g ... Control rate (e.g
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
rhythms (5) AV ... block (lower AV ... QRS - Distal AV ... bradyarrhythmia #ECG ... #EKG #diagnosis
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
, Wide-Complex Tachycardia ... 1. aVR: Is the ... deflection in aVR ... Interpretation #ECG ... #EKG #Electrocardiogram
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Valvular disease (e.g ... vagal maneuvers: SVT-AVNRT ... or AVRT • Standing ... bending over: AVNRT