8 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 node - Un-stimulated ... #PQ (mV) 0 ECG ... ) QRS #QRS #SA ... node #AV node
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 ... Tachycardia • AV ... cardiology #conduction #pathways
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... Sinus Syndrome (SA ... 2nd/3rd degree AV ... Tachy-Brady Syndrome #Syncope
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
- Sinoatrial (SA ... - The SA node ... through internodal pathways ... atrioventricular (AV ... - From the AV
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
assessment in Syncope ... O - Obstructed AV ... pathway B - Bifascicular ... is obstructed AV ... pathway – look
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Sinus Syndrome • SA ... Block • AV Block ... with Variable AV ... Differential #Diagnosis #Algorithm
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Differential Diagnosis Algorithm ... palpitations, dizziness, syncope ... • Accessory pathway ... Differential #Diagnosis #Algorithm
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
indicates an accessory pathway ... O: Obstructed AV ... Pathway • ECG ... atrioventricular (AV ... as first-degree AV