Located at the level of the second intercostal

Base

Septum

Apex
Murmurs

Caused by diseases of the valves or other structural abnormalities

Base

Septum

Apex

Murmurs
The ONLY arteries in the body to carry deoxygenated blood away from the heart

Left atrium

Pulmonary veins

Pulmonic valve
Pulmonary arteries

Located between the atria and ventricles

Aortic valve

Tricuspid valve

Atrioventricular valves (AV)
Semilunar valves

Receives deoxygenated blood from right atrium which pumps to the lungs

Right atrium

Left atrium

Left ventricle
Right Ventricle

Received oxygenated blood returning from the lungs via the right and left pulmonary
veins

Right atrium

Pericardium

Left ventricle
Left atrium

Left and Right Atrium and Left and Right Ventricle

Pulmonary arteries

Four chambers of the heart

Heart as a Pump

Cardiac Output
Pumps deoxygenated blood

The right side

Heart Rate

Right atrium
The left side

A structure in the middle of the heart

Murmurs

Septum

Apex
Base

The heart is a hollow muscular organ located in the thoracic cavity between the lungs in
a space called_

Myocardium

Mediastenum

Left atrium
Septum

Systole-contractions diastole-relaxation

Aortic valve

Heart Rate

Cardiac Cycle
Cardiac Output

The outermost layer of the heart

Left atrium

Endocardium

Pericardium

Myocardium
Receives oxygenated blood from the left atrium and pumps it to the body through the
aorta

Right Ventricle

Right atrium

Left ventricle
Left atrium

Receives deoxygenated blood via the superior and inferior vena cava

Endocardium

Right Ventricle

Left atrium
Right atrium

The middle and contractile layer of the heart

Endocardium

Left atrium

Pericardium

Myocardium
Only veins in body that carry oxygenated blood towards the heart

Pulmonary veins

Pulmonary arteries

Pulmonic valve

Endocardium
S1 (LUBB)-contraction and the closure of AV valves S2 (DUBB)-relaxation when the SL
valves close

Heart Skeleton

Heart Rate

Heart as a Pump
Heart sounds

Are half moon shaped

Semilunar valves

Tricuspid valve

Pulmonic valve

Aortic valve
Located between the right ventricle and the pulmonary trunk

Pulmonary veins

Aortic valve

Tricuspid valve
Pulmonic valve

Pumps oxygenated blood

The left side

The right side

Left atrium
Heart Rate

The amount of blood ejected outside the heart per minute

Heart as a Pump

Mediastenum

Cardiac Output
Cardiac Cycle

The blood volume ejected outside the hearts is equal to the blood volume returning
back into the heart

Heart as a Pump

Heart sounds

Heart Skeleton
Heart Rate

The innermost layer of the heart

Pericardium

Myocardium

Endocardium

Left atrium
Located at the level of the 5th intercostal and mid-clavicular line on the left

Base

Septum

Murmurs
Apex

Located between the left ventricle and aorta

Aortic valve

Heart Rate

Tricuspid valve
Pulmonic valve

Located between the left atrium and left ventricle has 2 cusps

Semilunar valves

Pulmonic valve

Tricuspid valve
Bicuspid Mitral valve

Is the number of heart contractions per minute 60-100 BPM

Heart Skeleton

Heart sounds

Heart Rate
The right side

Located between right atrium and right ventricle has 3 cusps

Semilunar valves

Aortic valve

Tricuspid valve

Pulmonic valve