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

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Presentation transcript:

Thorax The 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

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Wind knocked out Blow to the abdomen Diaphragm spasms Unable to take breath for short period of time

Rib fracture

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

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 bag