39 results
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
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Flutter on EKG ... FlutterInferior ... FlutterInferior ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Atrial Fibrillation ... AV nodal blocking ... PreExcitation #clinical #ecg ... #ekg #electrocardiogram ... #cardiology
Ventricular Parasystole on EKG

Normal AV conduction depolarizes the ventricle before the parasystolic focus fires

- Dr. Eric
on EKG Normal ... AV conduction depolarizes ... #Parasystole #EKG ... #ECG #electrocardiogram ... #cardiology #clinical
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
without typical inferior ... CTI-independent flutter ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
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
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV ... Digoxin effect on ECG ... #EKG #Cardiology ... #Digitalis #ECG
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Flutter on EKG ... • Inferior leads ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Flutter on EKG ... • Inferior leads ... #Flutter #aflutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Flutter (AFL), ... Tachycardia (MAT) • AV ... node: AV re-entrant ... ), AV nodal re-entrant