14 results
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
AV Block - Mobitz ... independently of the atria ... leading to AV node ... #heartblock #cardiology ... #ecg #ekg #diagnosis
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... Complex • PAC ... • PAC can be blocked ... #PACs #cardiology ... #ecg #electrocardiogram
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
, Mobitz Type I ... waves and QRS complexes ... always within the AV ... node #Mobitz ... #EKG #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
, Mobitz Type II ... normal • QRS complexes ... is below the AV ... node, generally ... #EKG #ECG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (3) SVTs - atrial ... II / Mobitz - , ... block (lower AV ... electrocardiogram #cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
Almost any type of cardiac ... Complete heart block ... , sino-atrial (SA ... ) block, AV disso­ciation ... #Diagnosis #Cardiology
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... aka Mobitz II) ... • The QRS complex ... (AV node). ... #ecg #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... (AV node). ... Block aka Complete ... node) ... #AVBlock #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Pacemaker 3rd Degree, Complete ... P and QRS • Atrial ... • Block in AV ... beyond AV node) ... electrocardiogram #ecg
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
pathway which blocks ... node and a reentrant ... hidden in the QRS complex ... ECG usually shows ... regular narrow complex