16 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Fibrillation with Complete ... Tachycardia with 2:1 AV ... Block • Bidirectional ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... Complex • PAC ... finds the right bundle ... #PACs #cardiology ... #ecg #electrocardiogram
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... Tachycardia (VT) AV ... and WCT, wide complex ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... fibrillation and atrial ... flutter (rate control ... Digoxin effect on ECG ... #EKG #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... flutter (3) ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
normal • QRS complexes ... to concomitant bundle ... block is below the AV ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... ventricle known as the bundle ... upstroke of QRS complex ... ) 2 Wide QRS complex ... #ECG #EKG #Electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Stable Narrow-Complex ... Control rate with AV ... flutter, ectopic ... flutter or MAT ... Treatment #management #cardiology
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Regular, Wide-Complex ... Bundle-branch morphology ... Interpretation #ECG ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology