9 results
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Ventricular Tachycardia ... www.ncbi.nlm.nih.gov/pmc ... #Aberrancy #Distinguishing ... #Criteria #Cardiology ... Comparison #Brugada #Algorithm
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
tachycardia (AVRT ... tachycardia (AVNRT ... ), Ventricular tachycardia ... Differential #Diagnosis #Causes ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • SA Block • AV ... Aflutter • AVNRT ... with Variable AV ... #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... Atrial flutter • AV ... • AV reentrant ... #Causes #cardiology
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Regular • If ventricular ... known SVT with aberrancy ... WPW) - Avoid AV ... nodal agents (e.g ... #algorithm
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
(AVNRT) - Pathophysiology ... - Once the PAC ... - In most case ... ECG usually shows ... #AVNRT #Pathophysiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate with AV ... Treat underlying cause ... Treat underlying cause ... #algorithm
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVT w/ abberancy ... 200ms from longer pause ... block - ventricular ... #EKG #diagnosis ... electrocardiogram #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
supraventricular or ventricular ... • Ventricular ... palpitations: PVC ... bending over: AVNRT ... #Palpitations #Cardiology