13 results
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
AVRT, Atrial Tachycardia ... flutter w/ variable AV ... • Wide QRS - Regular ... block, Antidromic AVRT ... with variable AV
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
- Wide vs Narrow ... • ST vs SVT (AVNRT ... abnormality • Beware AV ... #Wide #Narrow # ... Irregular #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... Aflutter • AVNRT ... • AVRT (ie ... with Variable AV ... tachyarrhythmias #Cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Atrial flutter • AV ... • AV reentrant ... Narrow Complex ... #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
- Narrow vs Wide ... deflection not AVRT ... Narrow - Irregular ... Wide - Irregular ... #cardiology #wide
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex ... Tachycardia Regular ... or AVRT - Observe ... Control rate with AV ... #management #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... QRS - Distal AV ... electrocardiogram #cardiology
Supraventricular Tachycardia EKG

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

Her heart
great ECG case of ... Is it wide or narrow ... @EM_RESUS #AVRT ... #Cardiology #EKG ... #Clinical
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Wide-Complex Tachycardia ... WPW) - Avoid AV ... nodal agents (e.g ... aberrancy - Follow narrow-complex ... #management #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... - Dual AV nodal ... stays inside the AV ... : regular narrow ... Visualmedapp #AV