A Patient comes in emergency with the femur fracture and severe hemorrhage then which fluid should not give?

NORCET 5 Prelims - Sept 2023 (Shift-2)

Medical Surgical Nursing

Hard

Appeared in: NORCET 5 Prelims - Sept 2023 (Shift-2)

Explanation

45% NS is a hypotonic solution, meaning it has a lower solute concentration than blood.
When infused during hemorrhage, a hypotonic solution causes fluid to move from the intravascular space into the interstitial and intracellular spaces to achieve equilibrium.
This fluid shift worsens hypovolemia, decreases blood pressure, and can precipitate cardiovascular collapse, making it dangerous in this clinical scenario.

Option A: Ringer's Lactate (RL) is an isotonic crystalloid solution, making it a first-line choice for fluid resuscitation in hypovolemic states like severe hemorrhage.
Option B: 9% NS (Normal Saline) is an isotonic crystalloid solution. It is a primary fluid used for volume expansion in shock and hemorrhage.
Option D: Colloids are volume expanders that increase colloid oncotic pressure, effectively pulling and retaining fluid within the blood vessels.

Visual 1: Diagram: Illustrating the effect of isotonic, hypotonic, and hypertonic solutions on red blood cells and fluid shifts between the intravascular, interstitial, and intracellular compartments. This helps visualize why hypotonic solutions are dangerous in hemorrhage.

Clinical Relevance

Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing Fluid resuscitation in hypovolemic shock in acute care settings.
In any trauma or shock scenario, the nurse's priority is to establish large-bore IV access and initiate fluid resuscitation with the correct type of fluid, which is typically an isotonic crystalloid.
Continuous monitoring of vital signs (BP, HR), urine output, and level of consciousness is critical to assess the patient's response to fluid therapy and detect complications like fluid overload.
What if the patient also had a severe head injury? In that case, 0.45% NS would be even more dangerous as it can increase intracranial pressure. 0.9% NS is often preferred over Lactated Ringer's in patients with head injuries.

How to Approach the Question

Identify the patient's primary problem from the stem: 'severe hemorrhage', which implies hypovolemic shock.
Determine the therapeutic goal for this condition: to rapidly increase the volume of fluid within the blood vessels (intravascular volume).
Note the negative framing of the question: 'which fluid should NOT give'. This means you are looking for the contraindicated option.
Evaluate each fluid option based on its tonicity and its effect on fluid movement.
Recall that isotonic solutions (RL, 0.9% NS) and colloids are used to expand intravascular volume.
Recall that hypotonic solutions (0.45% NS) cause fluid to shift out of the blood vessels, which is the opposite of the desired effect in hemorrhage.

Concept Tested & Keywords

Concept Tested: Fluid resuscitation in hypovolemic shock
Stem keywords: femur fracture, severe hemorrhage, emergency
Lead-in keywords: should not give
Clinical cues: Severe hemorrhage is a critical cue indicating hypovolemic shock, which requires immediate intravascular volume expansion.
Negative lead-in flag: The question asks which fluid should NOT be given, requiring identification of the contraindicated option.

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