AP2 LAB 3 - Part 2: Heart conduction system & ECG

SA node (sinoatrial node)

Name the structure.

AV node (atrioventricular node)

Name the structure.

AV bundle (bundle of His)

Name the structure.

left bundle branch

Name the structure.

right bundle branch

Name the structure.

Purkinje fibers

Name the structure.

electrocardiogram (ECG)

Name the recording.

P wave

Name the structure.

P wave

ECG part showing atrial depolarization

QRS complex

Name the structure

QRS complex

ECG part showing ventricular depolarization

atrial contraction

represented by P wave

ventricular contraction

represented by QRS complex

T wave

Name the structure.

T wave

ECG part showing ventricular repolarization

ventricular relaxation

Represented by T wave

P wave

Name the structure.

QRS complex

Name the structure.

T wave

Name the structure.

systole

term for heart muscle contraction & blood ejection

diastole

term for heart muscle relaxation & ventricle filling

SA node (sinoatrial node)

pacemaker of the heart