A&P Heart Lab

Apex

Bottom part of heart

Left atrium

Right atrium

Left ventricle

Right ventricle

Right Tricuspid AV valve

Left Bicuspid (mitral) av valve

Pulmonary Semilunar valve

image

Aortic Valve

Superior vena cava

Inferior vena cava

Aorta

Pulmonary trunk

images

Left and right pulmonary arteries

Pulmonary vein left and right

Interventricular sulcus

Auricle

Coronary artery

Chordae tendineae

Papillary muscle

Trabeculae carneae

What is the Pulmonary circuit

Deoxygenated blood varied from right ventricle →pulmonary semilunar valve → pulmonary trunk → lungs

What is the Systemic circuit

Oxygenated blood varied from left ventricle →aortic semilunar valve → aorta → rest of body

Heart rate

Stroke volume

Cardiac output

Cardiac conduction system

Sinoatrial (SA) node

Produces the rhythmic electrical signals of the heart

Atrioventricular (AV) node

Delays the transmission of the electrical signal

Atrioventricular bundle branches

Carries the signal through the septum to the apex

Purkinje fibers

Spreads the electrical impulse through the ventricles

What does Depolarization cause?

causes contraction

What doe``````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````` Repolarization

Electrocardiogram (ECG)

P wave

QRS complex

T wave

6 second rule

Atrial rate

Ventricular rate

Bradycardia

Tachycardia

Cardiac cycle

Atrial diastole

Atrial systole

Ventricular diastole

Ventricular systole

Heart sounds

Lub