16 results
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
, Orthodromic AVRT ... , Atrial flutter ... AV block, Multifocal ... , Antidromic AVRT ... with variable AV
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Flutter, AVRT ( ... WPW), AVnRT (ie ... block) Regular-Complex ... Tachycardia, Antidromic AVRT ... #wide #narrow #
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
AV Block (ISt ... • AVNRT ... • AVRT (ie. ... interval) • AFib ... with Variable AV
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... rhythms (5) AV ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
deflection not AVRT ... /AVNRT. ... • Atrial Flutter ... Diagnosis #Management #cardiology ... #wide #narrow #
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs SVT (AVNRT, ... > SVT+conduction ... block >> MAT ... abnormality • Beware AV ... #causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... , AVRT, atrial tachycardia ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Flutter (AFL), ... node: AV re-entrant ... tachycardia (AVRT ... ), AV nodal re-entrant
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
w/ AV Block, Atrial ... Tachy w/ AV Block ... AV Block, Mobitz ... II AV Block Wide ... II AV Block Unstable
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... or AVRT - Observe ... Control rate with AV ... Control rate (e.g ... Control rate (e.g