2889 results
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
degree" • 1:1 conduction ... Block: Delayed conduction ... Less than 1:1 AV conduction ... Block: Slowed conduction ... heart #heartblock #cardiology
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Pathophysiology Conduction ... SVT #diagnosis #cardiology ... #conduction #pathways
Ventricular Parasystole on EKG

Normal AV conduction depolarizes the ventricle before the parasystolic focus fires

- Dr. Eric
EKG Normal AV conduction ... electrocardiogram #cardiology
Atrial Fibrillation Compared to Normal Conduction

Useful graphic for explaining to patients their atrial fibrillation diagnosis.

#AtrialFibrillation #AFib
Compared to Normal Conduction ... #PatientInfo #Cardiology
Atrial Flutter on Jugular Neck Examination

What does the neck / JVP exam suggest about the patient’s
flutter with 3:1 conduction ... PhysicalExam #clinical #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
with Variable AV Conduction ... rhythm SVT with conduction ... rhythm SVT with conduction ... tachyarrhythmias #Cardiology
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
Cardiac conducting ... #Anatomy #Cardiology ... Cardiac #Heart #Conduction
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
escape rhythm, Conduction ... His-purkinje system: Conduction ... Diagnosis #Causes #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
of underlying condition ... Tachycardia #MAT #Cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
with variable conduction ... diagnosis #causes #cardiology