6 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 ... Un-stimulated #PQ ... ) QRS #QRS #SA ... node #AV node #Bundle ... of His Bundle
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
Cardiac conducting ... - Sinoatrial (SA ... - The SA node ... through internodal pathways ... Heart #Conduction #Pathways
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Pathophysiology Conduction pathways ... through SA Node ... Atrium, AV Node, Bundle ... cardiology #conduction #pathways
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... • Migraine Cardiac ... Stenosis • Cardiac ... Sinus Syndrome (SA ... Differential #Diagnosis #Algorithm
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Differential Diagnosis Algorithm ... chest discomfort Cardiac ... • Accessory pathway ... previous MI) Non-Cardiac ... Differential #Diagnosis #Algorithm
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
Obstructed AV pathway ... obstructed AV pathway ... deviation and right bundle ... associated with sudden cardiac