Development of clots in the vein is called as?

AIIMS Raipur NO - 2019 (Shift-2)

Medical & Surgical Nursing

Easy

Appeared in: AIIMS Raipur NO - 2019 (Shift-2)

Explanation

Thrombosis is the medical term for the formation of a solid or semi-solid mass (a blood clot or 'thrombus') within the lumen of a blood vessel.
When this process occurs specifically in a vein, it is known as venous thrombosis. A common and serious example is Deep Vein Thrombosis (DVT).
The formation of a thrombus involves the aggregation of blood constituents like platelets, red blood cells, and fibrin.
This process obstructs blood flow, which can lead to various complications depending on the location of the clot.

Option B: An aneurysm is a localized, abnormal bulge or dilation in the wall of a blood vessel, usually an artery. It is a weakening of the vessel wall, not the formation of a clot inside it.
Option C: Atherosclerosis is a chronic process where fatty deposits, cholesterol, and other substances build up in the artery walls, forming hard structures called plaques. It is a disease of the arterial wall, not a blood clot.
Option D: Ischemia is the condition of insufficient blood supply to a tissue or organ. It is a consequence or effect of a blockage (like a thrombus or atherosclerotic plaque), not the blockage itself.

Visual 1: Diagram - Illustration of a deep vein thrombosis (DVT) in a leg vein, showing the red blood clot obstructing blood flow.
Visual 2: Comparison Chart - A visual chart comparing illustrations of a normal vessel, a vessel with a thrombus, a vessel with an aneurysm, and a vessel with atherosclerotic plaque.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Terminology of Vascular Disorders as background academic context rather than a clinical decision trigger.
A key concept in thrombosis is Virchow's Triad, which identifies the three main factors contributing to clot formation: endothelial injury, abnormal blood flow (stasis or turbulence), and hypercoagulability.
Nurses play a vital role in preventing venous thrombosis (especially DVT) in at-risk patients (e.g., post-operative, immobile) through interventions like early ambulation, compression stockings, and administering prescribed anticoagulants.
The most life-threatening complication of DVT is a pulmonary embolism (PE), where a piece of the clot breaks off, travels to the lungs, and blocks a pulmonary artery. Nurses must monitor for signs of PE like sudden shortness of breath, chest pain, and tachycardia.

How to Approach the Question

First, identify the key terms in the question: 'clots' and 'vein'.
The question is asking for the specific medical term for the formation of a clot.
Evaluate each option based on its precise definition.
Option A, Thrombosis, directly means the formation of a blood clot (thrombus) in a vessel.
Options B, C, and D describe different vascular phenomena. Aneurysm is a bulge, Atherosclerosis is plaque, and Ischemia is reduced blood flow (a consequence).
Therefore, select the term that directly matches the definition of clot formation.

Concept Tested & Keywords

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