13 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
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
Atrial Complex ... finds the right bundle ... #PACs #cardiology ... #ecg #electrocardiogram ... #premature #atrial
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
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
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
system of the heart ... pathway between the atria ... (known as the bundle ... ventricles to contract prematurely ... #MedStudent #EKG
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Premature Ventricular ... Hypokalemia • Bundle ... capture of the atria ... arrhythmia • Atrial ... #differential #cardiology
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