trauma final

energy expended when objects collide.

A body in motion will remian in motion unless acted on by an outside force. A body at rest will remain at rest unless acted upon by an outside force.

Lung

Formation of a partial vacuum and cavity with a semi-fluid medium. Forms the temporary cavity.

Tisse perfusion. Lungs-blood - heart- vasculature.

• hr x sv
• Avg 4900 cc
• 70 x 70cc

• rate of contraction
• strength of contraction
• amoouth of venous return avil to the ventricle ( preload)
• the stretch of the ventricle ( frank starling)

Hemorrhage

• Help maintain bp by 2 neg feedbacks.
• Lowering bp in response to increased arteriol pressure
• Increasing bp in response to decresed aterial pressure

Slow and steady and dark red- arterial is bright red and spirting.

decompensationg

prevents appropriate distribution of nutrients and removal of wastes. anaphylactic- septic- hypoglycemia

interference with the blood flowing through the cardiovascualr system. tension pneumothorax- cardiac tamponade- pulmonary emboli

Dura mater- pia mater- arachnoid membrane

retroauricular acchymosis.- associated with the fracture of auditory canal and lower skull areas.

bilateral periorbital- eccymosis associated with orbital fractures.

• Coup- injury to site of impact
• contrecoup- injury on opposite side of impact.

Bradycardia in the presence of hypovolemia

bp up pulse down resp irregular

Peritoneum

hyperresonance of the injured side of the chest.