12 results
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
AVRT, Atrial Tachycardia ... flutter w/ variable AV ... • Wide QRS - Regular ... , Antidromic AVRT ... with variable AV
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Converts - Probably AVnRT ... or AVRT - Observe ... Control rate with AV ... #cardiology #algorithm
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
AV Block (ISt ... • AVRT (ie ... with Variable AV ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
• ST vs SVT (AVNRT ... AFIutter + variable block ... abnormality • Beware AV ... nodal blockers ... #causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
node Narrow - Irregular ... rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... QRS - Distal AV
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & irregular ... • Block in AV ... AV node) - Dr ... electrocardiogram #ecg ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... - Dual AV nodal ... pathway which blocks ... stays inside the AV ... Visualmedapp #AV
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Wide-Complex Tachycardia ... WPW) - Avoid AV ... nodal agents (e.g ... diltiazem or B-blockers ... #cardiology #algorithm
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 ... #Cardiology #EKG ... #Clinical
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... High-grade AV Block ... • This is a clinically ... Paroxysmal AV Block ... #AVBlock #cardiology