28 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Node, Atrium, AV ... Fibrillation • AV ... • AV Reentry ... #SVT #diagnosis ... #cardiology #conduction
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
(SSS) • AV node ... (MAT) • AV node ... : AV re-entrant ... tachycardia (AVRT ... Diagnosis #Causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Predictor of arrhythmia ... tachycardia (SVT ... #AVR #leadAVR #ecg ... #differential #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • Sick Sinus Syndrome ... • SA Block • AV ... with Variable AV ... tachyarrhythmias #Cardiology
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Virtually any arrhythmia ... associated combine some SVT ... ventricular rate (↓ AV ... #ecg #toxicology ... #cardiology #diagnosis
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Digoxin-Associated Arrhythmias ... Rhythm • Atrial Tachycardia ... with 2:1 AV Block ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
atrioventricular (AV ... , first-degree AV ... disso­ciation, AV ... Non-paroxysmal atrial tachycardia ... #Diagnosis #Cardiology
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
1. aVR: Is the ... AV Dissociation: ... there evidence of AV ... Interpretation #ECG ... #Diagnosis #Cardiology
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... of Ventricular Tachycardia ... (VT) AV indicates ... #VTach #ECG #EKG ... Electrocardiogram #Diagnosis #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... Wide QRS - Distal AV ... electrocardiogram #cardiology