NORCET 3 - 2022 (Shift-2)
Medical & Surgical Nursing
Hard

A post-operative patient is admitted to the recovery [ward]. After some time, his vitals change as follows:

Appeared in: NORCET 3 - 2022 (Shift-2)

Explanation

  • The combination of a rapid heart rate (tachycardia, 130 bpm) and low blood pressure (hypotension, 80/50 mmHg) are the classic signs of shock.
  • In a post-operative patient, this pattern strongly suggests hypovolemic shock, which is most commonly caused by hemorrhage (bleeding).
  • The body's compensatory mechanism involves increasing the heart rate to try and maintain cardiac output when blood volume and pressure are dangerously low.
  • A systolic blood pressure of less than 90 mm Hg is considered a critical finding that requires immediate reporting and intervention.

Why Other Options Were Wrong

  • Option A: This option shows normal, stable vital signs (HR 72, BP 120/80), which does not represent the deterioration implied by a significant 'change' in a post-operative patient.
  • Option C: This option presents with bradycardia (slow heart rate, 45 bpm) and hypertension (high blood pressure, 160/90). These are the key components of Cushing's Triad, which indicates increased intracranial pressure, not hypovolemic shock.
  • Option D: This option represents asystole (no heart rate or blood pressure), which is a state of cardiac arrest. While it is a critical change, the goal of nursing assessment is to identify the preceding deteriorating state (shock) to prevent this terminal event.

Related Visual

A comparative chart showing the contrasting vital sign trends in Hypovolemic Shock tachycardia, hypotension versus Cushings Triad bradycardia, hypertension to highlight the...
Clinical Relevance
  • Nursing practice connection: Safe nursing care depends on performing Interpretation of vital signs in a post-operative patient and identification of hypovolemic shock in the correct sequence, documenting the action clearly, and monitoring for the expected response.
  • Early recognition of hypovolemic shock is a critical nursing responsibility in the post-operative period to prevent irreversible organ damage and cardiac arrest.
  • Nurses must compare vital signs to the patient's baseline; a systolic BP below 90 mmHg or a progressive downward trend is an immediate red flag requiring escalation to the surgical team.
  • What if? If the post-operative patient was elderly with a history of beta-blocker use, their heart rate might not become tachycardic during shock. In this case, hypotension and other signs like cool, clammy skin and altered mental status would be the primary indicators.
How to Approach the Question
  • First, identify the clinical context: a 'post-operative patient'. This immediately brings to mind common complications like hemorrhage and shock.
  • Second, analyze the question's core task: to identify a significant 'change' in vital signs that indicates a problem.
  • Third, evaluate each option's vital signs. Option A is normal. Option D is cardiac arrest (an end-stage event).
  • Fourth, differentiate between the remaining pathological states. Compare the vitals for shock (high HR, low BP) with Cushing's Triad (low HR, high BP).
  • Finally, select the option that matches the most common and life-threatening complication for the given general post-operative context, which is hypovolemic shock.
Concept Tested & Keywords
  • Concept Tested: Interpretation of vital signs in a post-operative patient and identification of hypovolemic shock.
  • Stem keywords: post-operative, recovery ward, vitals change
  • Lead-in keywords: vitals change as follows
  • Clinical cues: The care setting changes urgency, monitoring level, and the expected nursing action.
  • Negative lead-in flag: false

Question ID

qLXCUq7goRbWnLxj5f4yV

Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 1 p. 113-115

Practise the full NORCET 3 - 2022 (Shift-2)

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