Erythrocyte Sedimentation Rate
Erythrocyte Sedimentation Rate - Related Videos
08:07
Erythrocyte Sedimentation Rate: A Physics-Driven Characterization in a Medical Context
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Cited by 6 •
2023
Erythrocyte sedimentation rate (ESR) is a physical parameter, often used in routine health checks and medical diagnosis. A theoretical model that allows to extract physically-meaningful parameters from the whole sedimentation curve, based on modern colloidal knowledge, has recently been developed. Here, we present a protocol to automatically collect the ESR over time, and extract the parameters of this recent model from this automated data collection. These refined parameters are also likely to...
07:59
Estimating Sediment Denitrification Rates Using Cores and N2O Microsensors
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Cited by 2 •
2018
This method estimates sediment denitrification rates in sediment cores using the acetylene inhibition technique and microsensor measurements of the accumulated N2O. The protocol describes procedures for collecting the cores, calibrating the sensors, performing the acetylene inhibition, measuring the N2O accumulation, and calculating the denitrification rate.
06:56
An Assay for Quantifying Antibody-Mediated Phagocytosis of Parasite-Infected Erythrocytes
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2025
This video demonstrates a flow cytometry-based phagocytosis assay involving labeled and opsonized Plasmodium falciparum-infected erythrocytes by monocytes. Flow cytometry identifies fluorescence in monocytes, confirming the successful identification of opsonized erythrocytes through phagocytosis.
09:48
Separation of Spermatogenic Cell Types Using STA-PUT Velocity Sedimentation
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Cited by 111 •
2013
The STA-PUT method allows for the separation of different populations of spermatogenic cells based on size and density.
01:22
Lifecycle of Erythrocytes
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2024
Erythrocytes, also known as red blood cells, constantly move through blood capillaries. As a result, they damage their plasma membrane due to the continuous friction. Typically, after 100 to 120 days, erythrocytes become rigid and fragile as they wear out. As they pass through small vessels in the spleen and liver, they can get trapped and break apart into fragments. The resident phagocytic macrophages deal with these damaged cells by engulfing them and separating their globin and heme groups.
FAQs
Fibrinogen changes the physical behavior of erythrocytes by reducing the normal repulsion between cells. This favors rouleaux, or stacked red-cell aggregates, which settle more readily than separated cells. Consequently, a faster result reflects altered aggregation associated with inflammation rather than a direct measurement of one specific disease.
Age, anemia, and pregnancy are important contextual variables when an erythrocyte sedimentation rate result is reviewed. Each can influence the measured rate, so an elevated or changed value should not automatically be attributed to newly active inflammation. Recording these factors helps clinicians interpret the result alongside symptoms, medical history, and other laboratory findings.
Erythrocyte sedimentation rate is best treated as a nonspecific signal, not a disease-identification test. The result may support clinical assessment of inflammatory or autoimmune conditions, but it cannot establish which condition is present. A sound interpretation combines the value with symptoms, medical history, and other laboratory findings, reducing the risk of assigning one cause to an isolated result.
In clinical assessment, ESR adds laboratory context to the patient’s presentation rather than replacing it. Clinicians compare the result with reported symptoms, medical history, and other laboratory findings to judge whether inflammation may be relevant. This integrated approach is particularly important when deciding how much significance to assign a result that has several possible influences.
Serial ESR measurements are useful for following trends over time. A changing value can help clinicians assess disease activity in context and evaluate whether treatment may be producing a response. The trend is more informative when paired with symptoms, medical history, and other laboratory findings, because a single measurement cannot show the whole clinical picture.
During assessment of inflammatory or autoimmune conditions, ESR can provide an additional laboratory signal that supports clinical reasoning. It may also contribute to judging treatment response when results are followed over time. However, its interpretation remains conditional: clinicians must relate the measurement to symptoms, history, and other laboratory findings rather than use it alone.