7 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Atrial flutter • AV ... nodal reentrant ... AV reentrant tachycardia ... #Causes #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... - Decreases AV ... nodal conduction ... Uses: - Atrial ... #EKG #Cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
) - Pathophysiology ... - Dual AV nodal ... - In most case ... ECG usually shows ... #cardiology #SVT
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... , Wide-Complex Tachycardia ... AV Dissociation: ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... nodal blocking ... Treat underlying cause ... Treat underlying cause ... #algorithm
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
If ventricular tachycardia ... WPW) - Avoid AV ... nodal agents (e.g ... Treatment #management #cardiology ... #algorithm
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(1) Sinus tachycardia ... 200ms from longer pause ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential