Heart Electrical Conduction System Animation ECG | Cardiac Conduction System Nursing

Created from Youtube video: https://www.youtube.com/watch?v=Bawqs-fn9PUvideo

Concepts covered:sinoatrial node, atrioventricular node, bundle of His, Purkinje fibers, PQRST complex

The video explains the heart's electrical conduction system, starting with the sinoatrial (SA) node, known as the heart's pacemaker, which initiates atrial depolarization and contraction. The signal then travels through the atrioventricular (AV) node, bundle of His, bundle branches, and Purkinje fibers, leading to ventricular depolarization and contraction, which is represented as the PQRST complex on an ECG.

chapter

Concepts covered:sinoatrial node, atrioventricular node, bundle of His, Purkinje fibers, PQRST complex

Question 1

The SA node is the heart's natural pacemaker.

Question 2

Analyze the role of Purkinje fibers in contraction.

Question 3

The SA node is known as the heart's _____.

Question 4

CASE STUDY: A patient experiences syncope during exercise. EKG shows delayed ventricular depolarization.

Identify the incorrect cause of syncope.

Question 5

CASE STUDY: A patient with chest pain has an EKG showing ventricular tachycardia.

Select three correct interventions for ventricular tachycardia.

Question 6

AV node delays impulses to allow atrial emptying.

Question 7

What initiates the heart's electrical conduction system?

Question 8

The AV node delays impulses to ensure the atria _____.

Question 9

CASE STUDY: A patient presents with an irregular heartbeat. The EKG shows an abnormal PQRST complex.

Identify the incorrect cause of irregular heartbeat.

Question 10

Ventricular contraction occurs before atrial depolarization.

Question 11

How does the AV node function in heart rhythm?

Question 12

Ventricular depolarization leads to ventricular _____.

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