48 results
Stimulated
SA node
AV node -
Un-stimulated
#PQ
(mV) 0
ECG (lead II)
QRS
#QRS
#SA node
#AV node
#Bundle of His
Bundle branches
#Purkinje fibers
#QRS
#ST
Stimulated SA node AV ... #PQ (mV) 0 ECG ... QRS #SA node #AV ... node #Bundle of ... His Bundle branches
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... Tachycardia (VT) AV ... deviation; LBBB, left bundle ... deviation; RBBB, right bundle ... Tachycardia #VTach #ECG
Right bundle branch block (RBBB) and Left bundle branch block (LBBB) comparison

#Diagnosis #ECG #EKG #RBBB #LBBB
Right bundle branch ... RBBB) and Left bundle ... #Diagnosis #ECG ... #EKG #RBBB #LBBB
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
to concomitant bundle ... block is below the AV ... Diagnosis #Cardiology #EKG ... #ECG #Electrocardiogram
Right bundle branch block - Lead V1 Morphologies

#Diagnosis #Cardiology #ECG #EKG #RBBB #Morphologies #V1
Right bundle branch ... Diagnosis #Cardiology #ECG ... #EKG #RBBB #Morphologies
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... AV Dissociation: ... there evidence of AV ... Bundle-branch morphology ... Interpretation #ECG
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
conducts through the AV ... finds the right bundle ... period of the AV ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Right Bundle Branch ... Block (RBBB) - EKG ... Diagnosis EKG Criteria ... #Block #RBBB #EKG ... #Diagnosis #ECG
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
First Degree AV ... node (His bundle ... node, His Bundle ... heartblock #cardiology #ecg ... #ekg #diagnosis
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
flutter w/ variable AV ... tachycardia, SVT with bundle ... fibrillation with bundle ... with variable AV ... block & bundle