22 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block ... Tachycardia with 2:1 AV ... BlockBidirectional ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... Tachycardia (VT) AV ... Tachycardia #VTach #ECG ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
#EKG taken on a patient with an acute pulmonary embolism with right heart strain showing tachycardia,
#EKG taken on a ... tachycardia, new right bundle ... branch block, ST ... #criticalcare #cardiology ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
to concomitant bundle ... branch block ... is below the AV ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV ... Digoxin effect on ECG ... #EKG #Cardiology ... #Digitalis #ECG
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
finds the right bundle ... • PAC can be blocked ... #PACs #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
First Degree AV Block
 • The P wave is normal in morphology.
 • PR interval greater
First Degree AV ... is an existing bundle ... Degree #AVBlock #1st ... #ecg #ekg #cardiology ... #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Degree AV Block ... independently of the atria ... #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart ... • Block in AV ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram