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Questions and Answers
What is the characteristic feature of septic arthritis?
What is the characteristic feature of septic arthritis?
- Inflammation of a joint due to a viral infection
- Inflammation of a joint due to an autoimmune response
- Presence of neutrophils and organism (correct)
- Inflammation of a joint due to a chronic disease
Which virus can lead to viral arthritis?
Which virus can lead to viral arthritis?
- Influenza virus
- Varicella-zoster virus
- Human immunodeficiency virus
- Herpes simplex virus (correct)
How does septic arthritis primarily differ from viral arthritis?
How does septic arthritis primarily differ from viral arthritis?
- Presence of specific virus particles in septic arthritis
- Neutrophils are found in septic arthritis (correct)
- Viral arthritis is caused by bacteria
- Presence of an autoimmune response in septic arthritis
What distinguishes reactive arthritis from septic and viral arthritis?
What distinguishes reactive arthritis from septic and viral arthritis?
Which type of arthritis involves an immune-mediated response?
Which type of arthritis involves an immune-mediated response?
Which organism is commonly associated with septic arthritis?
Which organism is commonly associated with septic arthritis?
Which aspect differentiates rheumatoid arthritis from viral arthritis?
Which aspect differentiates rheumatoid arthritis from viral arthritis?
What distinguishes osteoarthritis from viral arthritis?
What distinguishes osteoarthritis from viral arthritis?
What is reactive arthritis characterized by?
What is reactive arthritis characterized by?
What distinguishes reactive arthritis from septic arthritis?
What distinguishes reactive arthritis from septic arthritis?
Which inflammatory condition is a result of an immune-mediated response?
Which inflammatory condition is a result of an immune-mediated response?
Which organism is commonly associated with reactive arthritis?
Which organism is commonly associated with reactive arthritis?
What characterizes the inflammation in reactive arthritis?
What characterizes the inflammation in reactive arthritis?
How does reactive arthritis primarily differ from viral arthritis?
How does reactive arthritis primarily differ from viral arthritis?
Which type of arthritis involves an immune-mediated response?
Which type of arthritis involves an immune-mediated response?
(RA) Rheumatoid arthritis is primarily characterized by:
(RA) Rheumatoid arthritis is primarily characterized by:
What distinguishes reactive arthritis from septic and osteoarthritis?
What distinguishes reactive arthritis from septic and osteoarthritis?
What is the characteristic feature of reactive arthritis?
What is the characteristic feature of reactive arthritis?
How does reactive arthritis primarily differ from septic arthritis?
How does reactive arthritis primarily differ from septic arthritis?
What feature distinguishes reactive arthritis from both septic and viral arthritis?
What feature distinguishes reactive arthritis from both septic and viral arthritis?
Which histocompatibility antigen is associated with reactive arthritis?
Which histocompatibility antigen is associated with reactive arthritis?
What is the second most common cause of reactive arthritis?
What is the second most common cause of reactive arthritis?
In reactive arthritis, what differentiates the joint pain and inflammation presentation?
In reactive arthritis, what differentiates the joint pain and inflammation presentation?
What is a common misconception about reactive arthritis compared to septic arthritis?
What is a common misconception about reactive arthritis compared to septic arthritis?
Which of the following gastrointestinal pathogens is NOT associated with reactive arthritis?
Which of the following gastrointestinal pathogens is NOT associated with reactive arthritis?
Which aspect of reactive arthritis is not shared with septic arthritis?
Which aspect of reactive arthritis is not shared with septic arthritis?
What distinguishes reactive arthritis from septic arthritis?
What distinguishes reactive arthritis from septic arthritis?
What distinguishes reactive arthritis from viral arthritis in terms of joint pain presentation?
What distinguishes reactive arthritis from viral arthritis in terms of joint pain presentation?
What is the characteristic feature of reactive arthritis?
What is the characteristic feature of reactive arthritis?
How does reactive arthritis primarily differ from osteoarthritis?
How does reactive arthritis primarily differ from osteoarthritis?
Which organism is commonly associated with reactive arthritis?
Which organism is commonly associated with reactive arthritis?
What distinguishes reactive arthritis from septic arthritis?
What distinguishes reactive arthritis from septic arthritis?
How does reactive arthritis primarily differ from rheumatoid arthritis?
How does reactive arthritis primarily differ from rheumatoid arthritis?
What characterizes the inflammation in reactive arthritis?
What characterizes the inflammation in reactive arthritis?
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Study Notes
Arthritis
- Arthritis is an inflammation of the joints, affecting one or multiple joints
- Over 100 types of arthritis exist, with different causes and treatment methods
- Two common types: osteoarthritis (OA) and rheumatoid arthritis (RA)
- Osteoarthritis: degenerative
- Rheumatoid arthritis: immune-mediated
Types of Arthritis
- Septic arthritis: inflammation of a joint due to bacterial infection
- Viral arthritis: inflammation of a joint due to viral infection
- Reactive arthritis: inflammation of a joint due to infection, usually in the gastrointestinal or genitourinary tract
Comparative Features of Arthritis
- Septic arthritis
- Bacterial infection, usually Staphylococcus aureus or Streptococcus species
- Symptoms: acute onset of joint pain, swelling, warmth, and decreased range of motion; fever and chills common
- Risk factors: previous joint damage, prosthetic joints, immunosuppression, intravenous drug use, or skin infections
- Viral arthritis
- Viral infection, such as hepatitis, parvovirus, or rubella
- Symptoms: joint pain, swelling, and stiffness, often accompanied by symptoms of the underlying viral illness
- Risk factors: exposure to viruses through travel or contact with infected individuals
- Reactive arthritis
- Inflammation of a joint due to infection, usually in the gastrointestinal or genitourinary tract
- Symptoms: joint pain and inflammation, often asymmetric and involving lower extremities
- Risk factors: genetic predisposition (HLA-B27), contact with infected individuals, or family history
Osteomyelitis
- Inflammatory process in the bone and bone marrow accompanied by bone destruction
- Usually due to bacterial infection
- Most common in the metaphysis of long bones, less frequent in upper extremities
- Causes: hematogenous spread from distant focus, such as Staphylococcus aureus, Streptococcus pyogenes, and Haemophilus influenzae
- Salmonella infection often associated with sickle cell anemia
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