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

P waves and QRS complexes are normal but... 
•
Second Degree Heart ... Block, Mobitz Type ... • PR interval ... #SecondDegree #HeartBlock ... #ECG #Electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Bundle Branch Block ... Bundle Branch Block ... #JTInterval #QTc ... #electrocardiogram ... #ecg #cardiology
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart ... • PR intervals ... #SecondDegree #HeartBlock ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
interval gradually ... resets • P-P interval ... to 6:5 in this ECG ... Type1 #Wenckebach #Second ... #ECG #Electrocardiogram
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... is constant PR interval ... #AVBlock #TypeII ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... Block Type I aka ... #AVBlock #TypeI ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Bundle Branch Block ... • QRS > 0.12 seconds ... R in V1 UCSD Internal ... #BundleBranch #Block ... #ECG #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... (RR in seconds ... ) #QT #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Degree, Mobitz II HeartBlock ... • PR intervals ... beyond AV node) ... #electrocardiogram ... #ecg #cardiology
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Type 1 Second-degree ... prolongation of the PR interval ... on the electrocardiogram ... (ECG) on consecutive ... complex, the PR interval