Which vital sign change is commonly the first indicator of hemorrhagic shock in a postpartum client?

• A. Increased heart rate
• B. Decreased heart rate
• C. Normal heart rate
• D. Arrhythmic rate

Answer: (A)

The first signal of hemorrhagic shock after delivery is tachycardia—an increased heart rate. When a postpartum client experiences significant blood loss, the body activates the sympathetic nervous system to maintain critical perfusion. This raises the heart rate and constricts blood vessels to preserve blood flow to vital organs, so the pulse can become faster even while blood pressure remains normal.

As blood volume drops further, preload and cardiac output fall, and perfusion declines if the bleeding isn’t stopped. Blood pressure tends to stay normal for a while because these compensatory mechanisms temporarily sustain it, but the heart rate continues to rise as a more sensitive early indicator.

A decreased heart rate would not fit early shock, and a normal heart rate wouldn’t alert you to a problem yet. An arrhythmic rate suggests a rhythm disturbance rather than the initial compensatory response to hypovolemia.

In short, an increased heart rate is the earliest, most reliable sign that hemorrhagic shock may be developing in a postpartum patient.