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Difficulty: EasyReduction of Risk Potential

A nurse is assessing a client who is 4 hours postoperative following an abdominal hysterectomy. Which of the following findings is the earliest indicator that the client may be developing hemorrhagic shock?

  1. A
    A decline in blood pressure from 122/78 to 88/54 mm Hg
  2. B
    A measured urine output of 15 mL over the past hour
  3. An increase in heart rate from 78 to 114 beats per minuteAnswer
  4. D
    A new onset of profound lethargy and confusion

Answer

An increase in heart rate from 78 to 114 beats per minute is the earliest indicator of hemorrhagic shock.
An increasing heart rate (tachycardia) is the body's initial compensatory response to a decrease in intravascular volume. It is the most reliable early indicator of impending hemorrhagic shock, occurring before a drop in blood pressure or changes in mental status.

Step-by-Step Solution

1
Analyze the client's clinical context and postoperative risk factors.
The client recently underwent major abdominal surgery and is at risk for internal bleeding and hypovolemia.
Identifying the primary risk guides the nurse's focused assessment for potential complications.
2
Recall the physiological progression of hypovolemic shock.
In the early stages, the sympathetic nervous system activates compensatory mechanisms to maintain adequate tissue perfusion before blood pressure drops.
Understanding the timeline of shock helps distinguish early warning signs from late, decompensated signs.
3
Identify the earliest measurable compensatory sign from the given options.
An increased heart rate (tachycardia) is the initial cardiovascular response to decreased blood volume.
The heart beats faster to compensate for the lower stroke volume in an attempt to maintain an adequate cardiac output.

Key Concept

Early Indicators of Hypovolemic Shock
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Topics

Reduction of Risk Potential

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