23 results
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
type of cardiac arrhythmia ... type II second-degree ... The arrhythmias ... AV block, ventricular ... #Diagnosis #Cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Degree AV Block ... AV Block - Mobitz ... heartblock #cardiology #ecg ... #ekg #diagnosis ... #electrocardiogram
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
Phenomenon) 2nd Degree ... AV Block on EKG ... #AV #Block #AVBlock ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Digoxin-Associated Arrhythmias ... Complete Heart Block ... Tachycardia with 2:1 AV ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... (AV node). ... MobitzII #Type2 #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart ... Block, Mobitz Type ... always within the AV ... SecondDegree #HeartBlock #Diagnosis ... #ECG #Electrocardiogram
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... rhythm, Conduction blocks ... system: Conduction blocks ... node: AV re-entrant ... #Causes #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Block in AV ... beyond AV node) ... #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... Block, Mobitz Type ... is below the AV ... SecondDegree #HeartBlock #Diagnosis ... #ECG #Electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... First Degree AV ... Second Degree AV ... Second degree AV ... #ecg #diagnosis