1212 results
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
Rhythm (AIVR) on EKG ... ranges from 50-110 beats ... Capture and fusion beats ... diagnosis #cardiology #EKG ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
lengthens • Dropped beats ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
There are dropped beats ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... on consecutive beats ... Cardiology #MedStudent #EKG
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... on consecutive beats ... Cardiology #MedStudent #EKG
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
fusion or capture beats ... Interpretation #ECG ... #EKG #Electrocardiogram
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
rates) - Capture beats ... - Fusion beats ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Modified Sgarbossa Positive ECG

Interestingly, the ECG for this case report shows development of conventional STEMI criteria
Sgarbossa Positive ECG ... patient’s native beats ... This ECG is unique ... criteria of the paced beats ... #Modified #EKG
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
10 successive beats ... intervals on the EKG ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... jumping • Skipped beats ... or missed beats ... 300 = NSVT EKG ... generally >10%-15% of beats