If a casualty's skin is pale, cool, clammy, and he is agitated, what condition might he be suffering from?

The symptoms described—pale, cool, clammy skin, along with agitation—are classic indicators of shock. Shock occurs when the body is not getting enough blood flow, leading to oxygen deprivation in the tissues. The pale and clammy skin reflects a decrease in blood volume or circulation, often associated with conditions such as blood loss or severe dehydration. Agitation can result from decreased oxygen delivery to the brain or a heightened state of physiological stress due to the body's response to inadequate circulation.

Understanding shock is crucial as it encompasses various forms—including hypovolemic, cardiogenic, and distributive shock—each of which could stem from factors like significant hemorrhage, heart issues, or severe allergic reactions. However, the specific combination of symptoms listed aligns most adequately with shock rather than other potential conditions like heat exhaustion or dehydration, which present with different signs, such as dry, hot skin or other distinctive features. Thus, it is key for combat lifesavers to recognize these symptoms promptly to take appropriate action, as shock requires immediate medical intervention to stabilize the casualty and prevent further complications.