7 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Atrial flutter • AV ... nodal reentrant ... AV reentrant tachycardia ... #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... : AV re-entrant ... ), AV nodal re-entrant ... Differential #Diagnosis #Causes ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Tachycardia (AVNRT ... - In most case ... ECG usually shows ... #Tachycardia #AVNRT ... Pathophysiology #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
• Tx: Vagal maneuvers ... whether AF is cause ... Tx: Underlying cause ... abnormality • Beware AV ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Attempt vagal maneuvers ... Control rate with AV ... Treat underlying cause ... Treat underlying cause ... Treatment #management #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (1) Sinus tachycardia ... 200ms from longer pause ... bradyarrhythmia #ECG ... electrocardiogram #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... • Bradycardia caused ... Valvular disease (e.g ... or other vagal maneuvers ... #Palpitations #Cardiology