12 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... nodal reentrant ... AV reentrant tachycardia ... • Regular SVT ... • Irregular SVT
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
: AV re-entrant ... ), AV nodal re-entrant ... (V-tach, VT), Monomorphic ... VT, Polymorphic ... VT (i.e.
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
: • ST vs SVT ... • HyperK vs VT ... > SVT+conduction ... nodal blockers ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant ... - In most case ... #Nodal #Reentrant ... Pathophysiology #cardiology ... #SVT
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
(SVT) is an abnormally ... #Clinical #MedStudent ... #Cardiology #EKG ... #SVT #SupraVentricularTachycardia ... #ECGEducator
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 ... consistent with SVT ... EM_RESUS #AVRT #SVT ... #Cardiology #EKG ... #Clinical
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
100 Wide (1) VT ... w/ BBB (3) SVT ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
If ventricular tachycardia ... cardioversion • If known SVT ... WPW) - Avoid AV ... nodal agents (e.g ... Treatment #management #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Attempt vagal maneuvers ... Control rate with AV ... nodal blocking ... Treat underlying cause ... Treatment #management #cardiology
Polymorphic ventricular tachycardia (PVT) is a form of ventricular tachycardia in which there are multiple ventricular
(PVT) is a form ... The commonest cause ... of PVT is myocardial ... #Clinical #MedStudent ... #Cardiology #EKG