TCCC
Get hold of the TCCC info and you will have the answers short and straight to your questions.
The tourniquet studies alone negate any of the historic..."apply a tourniquet, lose a limb" discussion. The studies behind TCCC clearly indicate that touniquets are APPROPRIATE immediate intervention even where there is NO ARTERIAL bleeding.
According to studies from the Vietnam conflict alone, there is an estimated 2500 Soldiers/ Marines who bled to death from wounds NOT involving an artery. Simple bleeding control and the ability to recognize and then address a pneumothorax or sucking chest wound would have resolved the life threat in those lives.
Studies since then and especially secondary to the Battle of Mogadishu and the first Gulf war through current "lessons learned" show that the immediate placement of a tourniquet in what is termed the "Care Under Fire" phase is not only prudent but it is definitive care.
My company teaches the Combat Lifesaver Course to guard units deploying to the current theaters and the TCCC curriculum is very clear about this topic.
Traumatic cardiac arrest has less than 1% response to CPR, making it a no go in the tactical setting and and not a real consideration in the conventional EMS system.
There is a difference between a "sucking chest wound" and a pneumothorax. Each has its own treatment. In a sucking chest wound there is a hole that should be addressed in the way you describe with a 3 sided occlusive dressing or a "Asherman" type chest seal.
With the closed chest injury where a pneumothorax is present you will need to vent the chest.
Here are some of the statistics straight from the Military TCCC curriculum:
About 90 percent of combat deaths occur on the battlefield before the casualties reach a medical treatment facility (MTF).
Most of these deaths cannot be prevented by you or a surgeon.
Examples: Massive head injury, massive trauma to the body.
These are stats from Mogadishu through today:
KIA: 31% Penetrating head trauma
KIA: 25% Surgically uncorrectable torso trauma
KIA: 10% Potentially surgically correctable trauma
KIA: 9% Hemorrhage from extremity wounds
KIA: 7% Mutilating blast trauma
KIA: 5% Tension pneumothorax
KIA: 1% Airway problems
DOW: 12% Mostly from infections and complications of shock
An interesting side note here is that the statistic of 12% that die from Infections and symptoms of shock is the same percentage that die for that reason since the Crimean War. Yeah no change in that number.
Also note that only 1% of deaths were "airway" problems making them almost an after thought. and in fact we teach it as a secondary consideration to bleeding control. This is something our Tactical Medic students struggle to wrap their heads around at first. For conventional EMS personnel its a new way of doing an assessment.
About 15 percent of the casualties that die before reaching a medical treatment facility can be saved if proper measures are taken.
Stop severe bleeding (hemorrhaging)
Relieve tension pneumothorax
Prevent worsening breathing status
Restore the airway
Instead of ABCs……think CABCs
The above notes are taken right from our TCCC lecture.
Last edited by Pathfinder Ops; 07-06-09 at 17:05.
Reason: Spelling
Ed Fernley
Pathfinder Operations
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