11 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
with Complete Heart ... Tachycardia with 2:1 AV ... Block • Bidirectional ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... fibrillation and atrial ... rate control) - Heart ... Digoxin effect on ECG ... #EKG #Cardiology
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... finds the right bundle ... period of the AV ... #PACs #cardiology ... #ecg #electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... 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
" • Complete Heart ... independently of the atria ... #Blocks #heart ... #ecg #ekg #diagnosis ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... • Block in AV ... (block beyond AV ... #electrocardiogram ... #ecg #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
• As the heart ... the presence of AV ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #ecg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
is an existing bundle ... progress to complete heart ... Block aka Complete Heart ... blocks #AVBlock #cardiology ... #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... proportional to heart ... #Electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
• As the heart ... the presence of AV ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #ecg #electrocardiogram