Patient arrived at emergency after road accident, pulse rate is 127, blood pressure is 90/56 with cold extremities, which type of shock may occurs?

1. A

   Neurogenic shock

2. B

   Hypovolemic

3. C

   Spinal shock

4. D

   Cardiogenic shock

Appeared in: NORCERT 8 Mains-2025

Explanation

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• Hypovolemic shock is caused by a reduction in intravascular volume, most commonly from hemorrhage in a trauma patient.
• The body's initial response to volume loss is to increase the heart rate (tachycardia) and constrict peripheral blood vessels (causing cold extremities) to maintain blood pressure and perfusion to vital organs.
• Hypotension is a sign of decompensated shock, indicating that the body's compensatory mechanisms are failing due to significant volume loss.
• The patient's signs—tachycardia (127 bpm), hypotension (90/56 mmHg), and cold extremities—in the context of a road accident are the classic triad for hypovolemic shock.

Why Other Options Were Wrong

• Option A: Neurogenic shock is characterized by hypotension accompanied by bradycardia (slow heart rate) and warm, dry skin due to widespread vasodilation from a loss of sympathetic tone. This patient has tachycardia and cold skin.
• Option C: Spinal shock is a neurological phenomenon involving the temporary loss of reflex function below the level of a spinal cord injury. It is not a type of circulatory shock, although it can occur alongside neurogenic shock.
• Option D: Cardiogenic shock results from the heart's inability to pump effectively (pump failure). While it also presents with tachycardia, hypotension, and cold extremities, it is less common in trauma unless there is a direct, severe injury to the heart. Hypovolemia is the most probable cause of shock in a trauma patient.

Related Visual

• Visual 1: Flowchart: Pathophysiology of Hypovolemic Shock. This visual would trace the pathway from hemorrhage to decreased cardiac output, compensatory tachycardia/vasoconstriction, and eventual hypotension.
• Visual 2: Comparison Table: Key Signs of Different Shock Types. A table comparing heart rate, skin temperature, and primary cause for hypovolemic, cardiogenic, neurogenic, and septic shock provides a quick reference for differentiation.

Clinical Relevance

• Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Identification and differentiation of shock types based on clinical presentation in a trauma setting in acute care settings.
• In a trauma patient, always assume hypovolemic shock from hemorrhage until proven otherwise. The primary nursing intervention is to secure large-bore IV access for rapid fluid and blood product administration.
• The ABCDE (Airway, Breathing, Circulation, Disability, Exposure) approach is critical for assessing and managing trauma patients. This patient's 'C' (Circulation) is clearly compromised.
• What if the patient had a history of taking beta-blocker medication? The classic tachycardic response to shock might be blunted or absent, making it harder to recognize. The blood pressure and other signs of poor perfusion would be even more critical indicators.

How to Approach the Question

• First, identify the question type: This is a clinical scenario question requiring you to interpret patient data to make a diagnosis.
• Analyze the patient's history: The key event is a 'road accident,' which has a high index of suspicion for trauma and bleeding.
• List the clinical signs provided: Pulse 127 (tachycardia), BP 90/56 (hypotension), and cold extremities (peripheral vasoconstriction).
• Systematically evaluate each option against the clinical picture.
• Compare the patient's signs to the classic presentation of hypovolemic shock (tachycardia, hypotension, cool/clammy skin) and rule out other shock types based on mismatched signs (e.g., neurogenic shock has bradycardia and warm skin).

Concept Tested & Keywords

• Concept Tested: Identification and differentiation of shock types based on clinical presentation in a trauma setting.
• Stem keywords: road accident, pulse rate 127, blood pressure 90/56, cold extremities, shock
• Lead-in keywords: which type
• Clinical cues: The combination of trauma (road accident), tachycardia, hypotension, and cold skin is a classic presentation for hemorrhagic (hypovolemic) shock.

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