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Difficulty: MediumAnte/Intra/Postpartum and Newborn Care

A nurse is evaluating a client who is 22 hours postpartum following the vaginal delivery of a 4,100 g4,100\text{ g} newborn. The client has saturated a perineal pad in 3030 minutes. Which of the following assessment findings should the nurse recognize as early indicators of hemorrhagic shock? (Select all that apply.)

  1. An increase in heart rate from 8080 to 112 beats/min112\text{ beats/min}Answer
  2. A change in blood pressure from 118/70118/70 to 110/88 mm Hg110/88\text{ mm Hg}Answer
  3. New onset of unexplained anxiety and restlessnessAnswer
  4. D
    A change in blood pressure from 118/70118/70 to 138/58 mm Hg138/58\text{ mm Hg}
  5. E
    Development of profound lethargy and loss of consciousness

Answer

The correct early indicators of hemorrhagic shock are an increased heart rate, a narrowing pulse pressure, and new onset of anxiety or restlessness.
In the early compensatory stage of hemorrhagic shock, the body activates the sympathetic nervous system to maintain vital organ perfusion. This results in an increased heart rate (tachycardia) and peripheral vasoconstriction. Vasoconstriction causes the diastolic blood pressure to rise even as the systolic remains stable or drops slightly, resulting in a narrowing pulse pressure. Additionally, subtle decreases in cerebral perfusion initially present as behavioral changes, including unexplained anxiety, apprehension, or restlessness.

Step-by-Step Solution

1
Analyze the client's clinical presentation.
The client is postpartum with risk factors for hemorrhage (macrosomic infant) and objective evidence of heavy bleeding (saturating a pad in 3030 minutes).
Identifying the primary risk establishes the framework for anticipated complications, specifically hypovolemic or hemorrhagic shock.
2
Differentiate between early (compensatory) and late (decompensatory) signs of shock.
Early shock triggers the sympathetic nervous system, leading to mild tachycardia, narrowing pulse pressure, and subtle mental status changes like anxiety.
The question specifically asks for early indicators, requiring differentiation from late signs like profound lethargy or frank hypotension.
3
Evaluate each assessment finding against the physiologically expected compensatory responses.
Tachycardia, a narrowing pulse pressure (such as 110/88 mm Hg110/88\text{ mm Hg}), and restlessness directly align with compensatory mechanisms.
Correctly identifying early subtle changes allows for prompt life-saving interventions before irreversible tissue damage occurs.

Key Concept

Early recognition of postpartum hemorrhage and compensatory hypovolemic shock relies on detecting subtle vital sign trends (mild tachycardia, narrowing pulse pressure) and behavioral changes (restlessness) before overt hypotension occurs.
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Ante/Intra/Postpartum and Newborn Care

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