Classically thought to invariably lead to death
However, recent data suggests that survival from<unk>  is similar to that of medical causes of cardiac<unk> 
One military study demonstrated 24% survival of patients who underwent resuscitation after<unk><unk> 
One military study demonstrated 24% survival of patients who underwent resuscitation after<unk><unk>
Traumatic cardiac arrest
Differential diagnosis should be thought of in terms of reversible causes
Spinal shock
Massive hemorrhage and hypovolemia
Cardiac contusion
Tension pneumothorax
Neurogenic shock
Hemothorax