39 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
prolongation of the PR interval ... electrocardiogram (ECG ... complex, the PR interval ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
prolongation of the PR interval ... electrocardiogram (ECG ... complex, the PR interval ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Block type II (aka Mobitz ... is constant PR interval ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram ... #Mobitz2
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
Mobitz Type I (Wenckebach ... • P-R interval ... resets • P-P interval ... to 6:5 in this ECG ... #labeled #clinical
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Block Type I aka Mobitz ... shortening of the RR interval ... • The RR interval ... the shortest RR interval ... AVBlock #TypeI #MobitzI
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Degree Heart Block, Mobitz ... • PR interval ... the AV node #Mobitz ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Degree Heart Block, Mobitz ... branch block • PR intervals ... His-Purkinje system #Mobitz ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
P wave and PR interval ... normal • The PP intervals ... • The P to P interval ... shorter than the intervals ... #variants #clinical
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 1º - long PR intervals ... successively longer PR intervals ... II / Mobitz - , ... bradyarrhythmia #ECG
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• PR interval ... • The RR interval ... the shortest RR interval ... is constant PR interval ... • The PR interval