Which of the following is NOT a type of shock syndrome?

Psychogenic shock is characterized by a temporary reduction in blood flow to the brain, often triggered by overwhelming emotional stress or trauma, leading to fainting or syncope. While it can create symptoms that resemble other forms of shock, it does not fit within the typical classifications of shock syndromes, which are generally based on physiological factors affecting circulation and perfusion.

In contrast, the other options involve significant physiological mechanisms related to blood flow and organ perfusion. Low Space shock and High Space shock typically pertain to distribution and volume of blood within vascular spaces, while Mechanical shock relates to trauma or injury that directly impacts the body's structural integrity. Thus, psychogenic shock stands out as it is primarily psychological in origin and is not defined by those physiological parameters, making it not a traditional type of shock syndrome as recognized in standard medical classifications.