What type of shock is indicated by a casualty with a temperature of 101F, BP of 90/54, and chills?

The indications provided—a temperature of 101°F, blood pressure of 90/54, and chills—point towards septic shock. This type of shock is typically caused by a severe infection leading to systemic inflammation. The fever indicates the presence of infection, while the low blood pressure reflects poor perfusion and potential organ dysfunction, which are hallmark signs of septic shock. Chills often accompany infections, further supporting the diagnosis.

In contrast, hypovolemic shock arises from a significant loss of blood or fluids and typically presents with low blood pressure but does not usually feature fever or chills. Cardiogenic shock is associated with the heart's inability to pump effectively, often seen in heart failure or heart attack cases, and is characterized by symptoms related to cardiac dysfunction. Anaphylactic shock is a severe allergic reaction that usually presents with symptoms like hives, swelling, difficulty breathing, and sometimes gastrointestinal distress, rather than fever and chills.

Thus, the combination of fever, chills, and hypotension strongly indicates septic shock as the most fitting diagnosis in this scenario.