Heart Flashcard

Front

What does the P wave of an ECG represent?

Back

Atrial depolarization.

Front

Which chamber does blood first enter into the heart?

Back

Right Atrium.

Front

Through which vessel does blood leave the right ventricle?

Back

Pulmonary artery.

Front

What is the role of the SA node in the heart?

Back

It acts as the pacemaker, controlling the rate of the heartbeat.

Front

What does ECG stand for?

Back

Electrocardiogram.

Front

What is the function of the pulmonary artery?

Back

It carries deoxygenated blood from the right ventricle to the lungs.

Front

What is the function of the aorta?

Back

It carries oxygenated blood from the left ventricle to the body.

Front

What is the role of the AV node?

Back

It acts as a relay station, slowing down the electrical signal before it passes to the ventricles.

Front

What are Purkinje fibers?

Back

They are specialized fibers that conduct electrical impulses to the ventricles, causing them to contract.

Front

What is the significance of the QRS complex in an ECG?

Back

It represents ventricular depolarization.