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Adequate concentration of air
Appropriate movement of oxygen arcoss the alveolar/capillary membrane into the aterial blood stream
Adequate number of red bllod cells to carry oxygen
Proper tissue perfusion
efficant offloading of oxygen at the tissue level
Abdominal Soild organs
Abdominal Hollow organs
Three specific spaces
Peritoneal- Organs cover by abdominal (peritoneal lining
Retroperitoneal space-organs posterior to the periterior lining
Pelvic space-Organs contained within pelvis
Increased central venous pressure (distended neck/arm veins in the presence of decreased arterial BP)
Small quiet heart(decreased heart sounds)
seen with Pericardial tamponade
Heart is compressed by blood filling the pericardial sac.
Decreasing blood entering the heart
Blood in the pleural space
Most comman result of major trauma
Assoc. with great vessel or cardiac injury
each lung can hold 2000-3000 cc of blood
Simple Pneumothorax (closed)
Air enters the pleural space causing partial lung collopse
Sucking chest wound
Wound must be 2/3 of the tracheal diameter
Affected side is exposed to atmospheric pressures= lungs collapse and shift ventilation/perfusion ratio
Buildup of pressure of air under pressure within the thorax. Results in compresion on lungs reduces effectiveness of respirations.
Can be on open or closed.
Open-Can occur when dressing sealing would does not allow air to excape during expiration.
When 3 or more consecutive ribs are boken in 2 oor more places
Penetrating trauma Low,Medium and High Volocity
Medium-Handguns and Shotguns
High- Assault rifles