17 results
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Atrial Fibrillation ... AV nodal blocking ... EricsMedicalLectures/ #Atrial ... PreExcitation #clinical #ecg ... #ekg #electrocardiogram
Ventricular Parasystole on EKG

Normal AV conduction depolarizes the ventricle before the parasystolic focus fires

- Dr. Eric
on EKG Normal ... AV conduction depolarizes ... the parasystolic focus ... #Parasystole #EKG ... #ECG #electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
unusually slow ventricular ... Tachycardia with 2:1 AV ... Bidirectional Ventricular ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Tachycardia (MAT) • AV ... node: AV re-entrant ... tachycardia (AVRT ... ), AV nodal re-entrant
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
atrioventricular (AV ... , first-degree AV ... (SA) block, AV ... The various ECG ... #EKG #ECG #Digoxin
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... Differentiating ventricular ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
w/ AV Block, Atrial ... Tachy w/ AV Block ... w/ Variable AV ... Block, Mobitz I AV ... SVT WI Wide QRS, Ventricular
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms = AV ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • SA Block • AV ... AVNRT • AVRT ... interval) • AFib ... with Variable AV