In decompensated hypovolemic shock, what happens to the systolic blood pressure?

• A. Drops
• B. Rises
• C. Remains normal
• D. Fluctuates

Answer: (A)

In decompensated hypovolemic shock, there isn’t enough circulating blood to fill the heart properly, so preload drops and the heart pumps less blood with each beat. When the compensatory mechanisms fail, the pressure the heart can generate falls, and systolic blood pressure decreases. That’s why this stage is characterized by a fall in systolic BP rather than a rise or normal levels. Early on, compensation might keep BP near normal, but once those mechanisms are exhausted, the systolic pressure declines. Options suggesting a rise, normal, or fluctuating pressure don’t reflect the downhill trend of perfusion seen in decompensated hypovolemia.