Plasma viscosity is a laboratory test that evaluates the resistance of blood plasma to flow, offering insights into the concentration and composition of plasma proteins, such as fibrinogen and immunoglobulins. This non-specific test is crucial for assessing physiological and pathological conditions, including acute phase responses, inflammatory diseases, and malignant disorders. In healthy individuals, plasma viscosity ranges from 1.50 to 1.72 mPa·s at 37°C, remaining stable across age and gender. The test is sensitive to the acute phase response, where increased fibrinogen and immunoglobulin levels elevate plasma viscosity within 2-24 hours of injury or infection. It is also a valuable marker for monitoring inflammatory diseases like rheumatoid arthritis and malignant conditions such as multiple myeloma. Plasma viscosity is measured using a capillary viscometer, providing highly stable and accurate results. Its non-invasive nature and ability to reflect changes in plasma protein composition make it an essential tool in clinical practice.
Plasma viscosity is a laboratory test that evaluates the resistance of blood plasma to flow, offering insights into the concentration and composition of plasma proteins, such as fibrinogen and immunoglobulins. This non-specific test is crucial for assessing physiological and pathological conditions, including acute phase responses, inflammatory diseases, and malignant disorders. In healthy individuals, plasma viscosity ranges from 1.50 to 1.72 mPa·s at 37°C, remaining stable across age and gender. The test is sensitive to the acute phase response, where increased fibrinogen and immunoglobulin levels elevate plasma viscosity within 2-24 hours of injury or infection. It is also a valuable marker for monitoring inflammatory diseases like rheumatoid arthritis and malignant conditions such as multiple myeloma. Plasma viscosity is measured using a capillary viscometer, providing highly stable and accurate results. Its non-invasive nature and ability to reflect changes in plasma protein composition make it an essential tool in clinical practice.
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Plasma viscosity testing is essential for evaluating blood plasma's resistance to flow, reflecting changes in plasma proteins like fibrinogen and immunoglobulins. Key points include:
- Normal Values: Ranges from 1.50 to 1.72 mPa·s at 37°C, stable across age and gender.
- Acute Phase Response: Increases in response to injury or infection.
- Inflammatory Diseases: Elevated in conditions like rheumatoid arthritis, useful for monitoring treatment.
- Malignant Diseases: High in diseases secreting paraproteins, e.g., multiple myeloma.
- Hyperviscosity Syndrome: Characterized by high viscosity, requiring careful monitoring.
- Sample Handling: Requires 2-4 mL blood, tested within 4 hours.
- Measurement: Uses capillary viscometer, results at 25 and 37°C.
The Pork IgG test is crucial for diagnosing pork allergies or sensitivities. It measures IgG antibodies in the serum, indicating an immune response to pork. Here's who should consider testing:
- Individuals with Symptoms: Those experiencing allergic reactions after consuming pork.
- Unexplained Allergies: Patients with undiagnosed food allergies.
- Dietary Management: People needing guidance on dietary restrictions.
- Treatment Planning: Patients requiring tailored allergy treatments.
The test involves a blood sample, analyzed for IgG levels. Results guide dietary and treatment decisions, improving patient care.
Understanding test results for plasma viscosity involves recognizing its role in assessing physiological and pathological conditions. Key points include:
- Normal Values: Plasma viscosity ranges from 1.50 to 1.72 mPa·s in healthy individuals.
- Acute Phase Response: Increases in fibrinogen and immunoglobulins elevate plasma viscosity.
- Inflammatory Diseases: Elevated levels indicate disease severity, aiding in treatment monitoring.
- Malignant Diseases: High viscosity is linked to conditions like multiple myeloma.
- Hyperviscosity Syndrome: Symptoms include nasal bleeding and blurred vision, requiring careful monitoring.
- Sample Handling: Requires a 2-4 mL blood sample, processed within 4 hours.
- Clinical Significance: Offers high sensitivity and specificity, crucial for disease management.
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