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Related Concept Videos

Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

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Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's...
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Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

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Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
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Structural Joints: Synovial Joints01:16

Structural Joints: Synovial Joints

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Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
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Ankle Joint01:10

Ankle Joint

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Joints01:26

Joints

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Joints, also called articulations or articular surfaces, are points at which ligaments or other tissues connect adjacent bones. Joints permit movement and stability, and can be classified based on their structure or function.
Structural joint classifications are based on the material that makes up the joint as well as whether or not the joint contains a space between the bones. Joints are structurally classified as fibrous, cartilaginous, or synovial.
Fibrous Joints Are Immovable
The bones of a...
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Development of the Limb Synovial Joints01:07

Development of the Limb Synovial Joints

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Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
The mesenchymal stem cells differentiate into chondrocytes that form the hyaline cartilage, and later the cartilaginous model of the bone. This model further transforms into a bone. This process is known as endochondral ossification.
During development, the limbs...
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Synovial Fluid Analysis to Identify Osteoarthritis
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Synovial Fluid Analysis to Identify Osteoarthritis

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[Approach to joint effusion].

M Henniger1, S Rehart2

  • 1Klinik für Orthopädie und Unfallchirurgie, Agaplesion Frankfurter Diakonie Kliniken gGmbH, Agaplesion Markus Krankenhaus, Akademisches Lehr-KH der Goethe-Universität, Wilhelm-Epstein-Str. 4, 60431, Frankfurt, Deutschland. Martina.Henniger@fdk.info.

Der Orthopade
|August 27, 2016
PubMed
Summary
This summary is machine-generated.

Diagnosing joint effusions involves patient history, clinical exams, and imaging. Blood tests and synovial fluid analysis help differentiate causes like gouty arthritis or septic arthritis.

Keywords:
ArthrosonographyGouty arthritisInflammation parametersRheumatic diseasesSeptic arthritis

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Area of Science:

  • Rheumatology
  • Orthopedics
  • Diagnostic Medicine

Background:

  • Joint effusions require accurate diagnosis to guide treatment.
  • Differentiating between various causes of joint effusions is clinically important.

Purpose of the Study:

  • To outline the diagnostic approach for joint effusions.
  • To detail methods for distinguishing inflammatory and non-inflammatory causes.
  • To emphasize key differential diagnoses and confirmatory tests.

Main Methods:

  • Clinical evaluation including patient history and physical examination.
  • Arthrosonography for distinguishing intra-articular from extra-articular pathologies.
  • Blood inflammatory parameters assessment for systemic vs. local inflammation.
  • Imaging studies when blood inflammatory parameters are normal.
  • Joint aspiration and synovial fluid analysis for definitive diagnosis.

Main Results:

  • Patient history and clinical examination are primary diagnostic tools.
  • Arthrosonography aids in unclear cases.
  • Elevated inflammatory markers suggest gouty arthritis, autoimmune conditions, or septic arthritis.
  • Synovial fluid analysis is crucial for ruling out septic arthritis or confirming gouty arthritis.

Conclusions:

  • A systematic approach combining clinical assessment, imaging, and laboratory tests is essential for diagnosing joint effusions.
  • Synovial fluid analysis plays a critical role in managing potentially severe conditions like septic arthritis.