8 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV nodal ... fibrillation and atrial ... flutter (rate control ... #EKG #Cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Differential Diagnosis Algorithm ... nodal reentrant ... fibrillation • Multifocal ... • Atrial flutter ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Escape Rhythm Abnormal ... Tachycardia • Aflutter ... Conduction • Multifocal ... tachyarrhythmias #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
block (3) Multifocal ... atrial tachycardia ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... Multifocal atrial ... waves will have normal ... #diagnosis #ekg ... #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... P-Wave Morphology = multifocal ... Flutter PR Interval ... #Electrocardiogram ... #cardiology #diagnosis
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... Multifocal Atrial ... dominant pacemaker focus ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV nodal ... flutter, ectopic ... flutter or MAT ... Treatment #management #cardiology ... #algorithm