21 results
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Atrial Fibrillation ... with RVR: • All AV ... #clinical #ecg ... #ekg #electrocardiogram ... #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
fibrillation with ... Fibrillation with ... Tachycardia with 2:1 AV ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... block - ventricular ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Flutter (AFL), ... Atrial Fibrillation ... Fibrillation (V-Fib ... Diagnosis #Causes #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... atrial flutter ... Digoxin effect on ECG ... #ECG
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
flutterAV ... tachycardia • AV ... fibrillation ... fibrillation ... #Causes #cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
fibrillation may ... Non-paroxysmal atrial ... The various ECG ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
is a modified ECG ... atrial flutter ... standard 12 lead ECG ... Lead I on the ECG ... #Cardiology #EKG
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • SA Block • AV ... interval) • AFib ... with Variable AV ... tachyarrhythmias #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... Control rate (e.g ... fibrillation or ... Control rate (e.g ... #algorithm