43 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
Un-stimulated #PQ ... node #AV node #Bundle ... of His Bundle
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Orthodromic AVRT, Atrial ... Tachycardia, Atrial ... tachycardia, SVT with bundle ... fibrillation with bundle ... variable AV block & bundle
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
through SA Node, Atrium ... , AV Node, Bundle ... Tachycardia • Atrial ... Tachycardia • Atrial ... Flutter • Atrial
ASD on Bubble Contrast Echocardiogram (a4c)
A patient with an anterior STEMI (take a look at the
ASD on Bubble Contrast ... Ivan_Echocardio #atrial ... #defect #ASD #Bubble ... clinical #cardiology #pocus
Atrial Septal Defect (ASD) with Shunting on Echocardiogram with Contrast (a4c)

An elderly patient with dyspnea -
Atrial Septal Defect ... Ivan_Echocardio #Atrial ... a4c #clinical #pocus ... #bubble #Shunting
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
through Bachmann’s bundle ... His and down the bundle ... - Right bundle ... - Left bundle ... - Both bundle
Hepatopulmonary Syndrome (HPS) Diagnosis Algorithm
Bubble echo is the first piece of the puzzle. The nail on
HPS) Diagnosis Algorithm ... Bubble echo is ... the same way on bubble ... HPS #Diagnosis #Algorithm
Large atrial septal defect on cardiac POCUS with an oddly satisfying bubble study.

Eric Abrams, MD @eabramsMD

#Bubble
Large atrial septal ... defect on cardiac POCUS ... oddly satisfying bubble ... @eabramsMD #Bubble ... #Study #ASD #Atrial
Hepatopulmonary Syndrome (HPS) demonstrated on Echocardiogram Bubble Study

Intra-cardiac shunt: Bubbles appear in LA quickly (within 3
Echocardiogram Bubble ... Intra-cardiac shunt: Bubbles ... (this video): Bubble ... Echocardiogram #Bubble ... Study #clinical #POCUS
Wolff-Parkinson White 
Preexcitation syndrome where an accessory pathway (Bundle of Kent) directly connects the atria 
and
accessory pathway (Bundle ... directly connects the atria