13 results
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart ... P waves and QRS ... non-conducted P wave ... #Cardiology #EKG ... #ECG #Electrocardiogram
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... #Second #Degree ... #Wenckebach #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... #CVP
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... II • p waves ... SecondDegree #HeartBlock #Diagnosis ... #Cardiology #EKG ... #ECG #Electrocardiogram
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... as Mobitz I or Wenckebach ... (ECG) on consecutive ... by a blocked P wave ... Cardiology #MedStudent #EKG
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... as Mobitz I or Wenckebach ... (ECG) on consecutive ... by a blocked P wave ... Cardiology #MedStudent #EKG
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... prolonged) before a P wave ... #Second #Degree ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #PhysicalExam #JVP
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... #Classification ... #Diagnosis #EKG ... #ecg #cardiology
Second degree AV Block 2:1
 • During sinus rhythm, 2 to 1 AV block manifest as
Second degree AV ... manifest as 2 P waves ... #Second #degree ... AVBlock #2to1 #ecg ... #diagnosis #ekg