ThoraxThe thorax is the region of the body formed by the sternum, the thoracic vertebrae and the ribs.

Bones of the Thorax

• Ribs

• Sternum

Ribs

• 1-7= True ribs

• 8-10= False ribs

• 11-12=Floating ribs

• Protect lungs

Sternum• Protects heart

• Site for attachment of ribs and clavicle

Anatomy of the Thorax

• Ligaments

• Costal cartilage-connects ribs to the sternum

Cartilage of the Thorax

Muscles of the Thorax

• Pectorals

• Latissumus Dorsi

• Intercostals

• Diaphragm

Pectoral muscles

Latissimus Dorsi

Intercostals

Diaphragm

Organs of the Thorax

• Heart

• Lungs

Injuries of the Thorax

• Contusion

• Wind knocked out

• Rib fracture

• Pneumothorax

• Hemothroax

• Asthma

• Hyperventilation

Contusion

• Result of a direct blow

• Pain around the injury site.

• Pain when the ribcage flexes

http://www.youtube.com/watch?v=rHMMgJBUWh8

Wind knocked out

• Blow to the abdomen

• Diaphragm spasms

• Unable to take breath for short period of time

Rib fracture

http://www.youtube.com/watch?v=b-qR7jwtGj0

Pneumothorax

Pneumothorax: signs and symptoms

• Sudden shortness of breath

• Cyanosis (turning blue)

• Pain felt in the chest and/or back

Pneumothorax

Hemothorax

Heart Attack

• Also known as Myocardial Infarction

• Myocardial-heart muscle

• Infarction-tissue death due to oxygen starvation

Heart Attack

• Signs and Symptoms

• chest pain, shortness of breath, nausea, vomiting, sweating, and pain in left arm.

Asthma

• During an asthma attack, muscles around the airways tighten up, making the airways narrower so less air flows through. Inflammation increases, and the airways become more swollen and even narrower.

Asthma: signs and symptoms

• Coughing

• Wheezing

• Shortness of breath

• Chest tightness, pain, or pressure

http://www.youtube.com/watch?v=5F9jpJpwOys

Asthma

• What to do?

• Your doctor will also prescribe medicines to keep your asthma under control.

• Take your medication as prescribed!!!

• Only take your medication!!!

Hyperventilation• Over breathing; Fast deep breathing

• Symptoms include: dizziness or lightheadedness, shortness of breath, numbness and tingling in your arms or around your mouth

• Often, panic and hyperventilation become a vicious cycle

• Try to calm person down by talking slow

• Have person breathe into a paper baghttp://www.youtube.com/watch?v=Zt6W_cNQS8

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