AIIMS Delhi NO - 2018: Hemothorax occurs in which space?

AIIMS Delhi NO - 2018

Medical & Surgical Nursing

Easy

Appeared in: AIIMS Delhi NO - 2018

Explanation

Hemothorax is the medical term for the accumulation of blood within the pleural space.
The pleural space is the potential space located between the two layers of the pleura—the visceral pleura (which covers the lung) and the parietal pleura (which lines the chest wall).
This condition is often caused by trauma, which leads to bleeding into this space, compressing the lung and impairing ventilation.
The provided image visually confirms this anatomical fact, showing blood pooling outside the lung but inside the rib cage.

Option B: The peritoneal space is the cavity within the abdomen that contains organs like the intestines, stomach, and liver. A collection of blood in this space is known as hemoperitoneum.
Option C: The periosteum is a dense layer of connective tissue that envelops the bones. It is not a body cavity or space where a condition like hemothorax occurs. Bleeding under this layer is a subperiosteal hematoma.
Option D: The pericardium space (pericardial cavity) is the potential space between the layers of the pericardium, the sac that encloses the heart. A collection of blood here is called hemopericardium.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomical location of hemothorax as background academic context rather than a clinical decision trigger.
Nurses play a critical role in managing patients with hemothorax by assessing respiratory status (breath sounds, oxygen saturation, work of breathing) and managing chest tube drainage systems.
Accurate measurement and documentation of chest tube output are vital. A sudden increase in bloody drainage (e.g., greater than 200 mL/hour) can indicate active hemorrhage and requires immediate notification of the healthcare provider.
What if? If a patient's chest tube drainage suddenly stops after previously draining a significant amount, the nurse should first assess the patient for signs of respiratory distress and then check the tubing for kinks or clots. A blockage can lead to a tension hemothorax, a medical emergency.

How to Approach the Question

First, analyze the image provided. Observe that it shows blood collecting in the space surrounding the lung, inside the rib cage.
Next, break down the medical term 'Hemothorax'. 'Hemo-' is a prefix for blood, and 'thorax' refers to the chest. Thus, the term means 'blood in the chest'.
Evaluate the given options based on anatomical knowledge. The pleural space is the area surrounding the lungs within the chest.
Consider the other options: The peritoneal space is in the abdomen, the periosteum covers bone, and the pericardial space surrounds the heart.
By combining the visual information, the definition of the term, and anatomical knowledge, conclude that the only correct location for a hemothorax is the pleural space.

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