7 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 ... Un-stimulated #PQ ... (mV) 0 ECG (lead ... QRS #SA node #AV ... node #Bundle of
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... conducts through the AV ... finds the right bundle ... period of the AV ... #ecg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
node (His bundle ... independently of the atria ... node, His Bundle ... heartblock #cardiology #ecg ... #ekg #diagnosis
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
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... flutter, ectopic atrial ... Control rate (e.g ... Control rate (e.g ... management #cardiology #algorithm
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
dominant pacemaker focus ... terminalis) or in AV ... sharp contrast to AV ... diagnosis #cardiology #ekg ... #ecg #electrocardiogram
A junctional escape beat is a delayed heartbeat originating not from the atrium but from an
originating not from the atrium ... from an ectopic focus ... somewhere in the AV ... because of SA or AV ... Clinical #MedStudent #EKG