US Medical Term · tests
Erythrocyte Sedimentation Rate (ESR)
Velocidad de sedimentación globular
Also: VSG (regional variant)
What it means
An erythrocyte sedimentation rate (ESR) is a blood test that can show if you have inflammation in your body. Erythrocytes are red blood cells, and the sedimentation rate is the time it takes for red blood cells to settle at the bottom of a test tube. A health care professional places the blood sample in a tall, thin test tube and measures how quickly the red blood cells settle or sink to the bottom. Inflammation makes red blood cells stick together in clumps, which are heavier than single cells, so they sink faster. MedlinePlus says an ESR test alone cannot diagnose which condition is causing the inflammation. Its encyclopedia says it is commonly called a "sed rate," and the National Cancer Institute dictionary gives sedimentation rate as another name.
Erythrocyte Sedimentation Rate (ESR) in Spanish
- Spanish term
- Velocidad de sedimentación globular
- Gender and article
- feminine: la velocidad de sedimentación globular
- Pronunciation
- beh-loh-see-DAHD deh seh-dee-mehn-tah-SYOHN gloh-boo-LAHR
| Other Spanish terms | Where it is used | Note |
|---|---|---|
| tasa de sedimentación eritrocítica | General | The name MedlinePlus en español uses as the title of its page on this test. |
| VSG | General | Abbreviation listed by MedlinePlus en español under 'Otros nombres', next to velocidad de sedimentación globular. |
| velocidad de sedimentación de eritrocitos | General | Headword of the National Cancer Institute's Spanish dictionary entry that corresponds to erythrocyte sedimentation rate. |
| velocidad de eritrosedimentación | General | Given by the National Cancer Institute's Spanish dictionary as another name for velocidad de sedimentación de eritrocitos. |
| VSE | General | Abbreviation given by the National Cancer Institute's Spanish dictionary as another name for velocidad de sedimentación de eritrocitos. |
MedlinePlus en español titles its page on this test Tasa de sedimentación eritrocítica and gives velocidad de sedimentación globular in its opening definition as a second name: la tasa de sedimentación eritrocítica (o velocidad de sedimentación globular). Its list of other names includes the abbreviation VSG, the full form velocidad de sedimentación globular, and the English abbreviation ESR. These sources write both tasa and velocidad with the feminine article la.
The National Cancer Institute's Spanish dictionary enters the same measurement as velocidad de sedimentación de eritrocitos and says it is also called velocidad de eritrosedimentación, velocidad de sedimentación and VSE. MedlinePlus en español explains that los eritrocitos son glóbulos rojos (erythrocytes are red blood cells), describes the red blood cells settling at the bottom of a tubo de ensayo (test tube), and names the test commonly done alongside this one proteína C reactiva (C-reactive protein).
Phrases for an appointment
What a patient or a clinician might say, in English and Spanish:
| Who | English | Spanish |
|---|---|---|
| Clinician | I am ordering a blood test called an erythrocyte sedimentation rate to look for inflammation. | Voy a pedirle un análisis de sangre llamado velocidad de sedimentación globular para buscar inflamación. |
| Patient | What do the letters next to this test on my lab report mean? | ¿Qué significan las siglas que aparecen junto a esta prueba en mi informe de laboratorio? |
| Patient | Do I need to fast before the blood draw? | ¿Tengo que estar en ayunas antes de la extracción de sangre? |
| Clinician | Have you had fevers, headaches, or stiff joints lately? | ¿Ha tenido fiebre, dolores de cabeza o rigidez en las articulaciones últimamente? |
| Patient | My sedimentation rate came back high. Does that tell you what is wrong? | Mi velocidad de sedimentación salió alta. ¿Eso le dice qué es lo que tengo? |
| Clinician | This test alone does not tell us the cause, so I am also ordering a C-reactive protein test. | Esta prueba por sí sola no nos dice la causa, así que también voy a pedirle una prueba de proteína C reactiva. |
| Clinician | Which medicines or supplements are you taking right now? | ¿Qué medicamentos o suplementos está tomando en este momento? |
| Patient | When will the results be ready, and will the test be repeated later? | ¿Cuándo estarán listos los resultados, y se repetirá la prueba más adelante? |
In 9 languages
| Language | Term |
|---|---|
| English | Erythrocyte Sedimentation Rate (ESR) |
| Spanish (Español) | Velocidad de sedimentación globular |
| Chinese (中文) | 紅細胞沉降率 |
| Korean (한국어) | 적혈구 침강 속도 |
| Vietnamese (Tiếng Việt) | Tốc độ lắng hồng cầu |
| Filipino (Tagalog) | Erythrocyte Sedimentation Rate |
| Portuguese (Português) | Velocidade de hemossedimentação (VHS) |
| Thai (ภาษาไทย) | อัตราการตกตะกอนของเม็ดเลือดแดง |
| Japanese (日本語) | 赤血球沈降速度 |
Where you'll see it
Related terms
Your right to an interpreter in the United States
If English is not your primary language and you have difficulty communicating in English, you may need an interpreter or a translated document when you visit a doctor or dentist, go to the emergency room or pick up a prescription. The U.S. Department of Health and Human Services Office for Civil Rights states that two federal laws, Title VI of the Civil Rights Act of 1964 and Section 1557 of the Affordable Care Act, require programs that receive its funding to provide language access services free of charge.
You can ask when you make the appointment or at the front desk: "I need an interpreter, please." «Necesito un intérprete, por favor.»
More terms: Blood and immune system
All terms in this area: Blood and immune system — Sangre y sistema inmunitario
Sources
- Erythrocyte Sedimentation Rate (ESR): MedlinePlus Medical Test — MedlinePlus, National Library of Medicine
- Tasa de sedimentación eritrocítica: Prueba de laboratorio de MedlinePlus — MedlinePlus en español, Biblioteca Nacional de Medicina
- ESR: MedlinePlus Medical Encyclopedia — MedlinePlus, National Library of Medicine
- erythrocyte sedimentation rate — NCI Dictionary of Cancer Terms — National Cancer Institute (NCI), NIH
- velocidad de sedimentación de eritrocitos — Diccionario de cáncer del NCI — Instituto Nacional del Cáncer (NCI), NIH
- Limited English Proficiency (LEP): Your Right to Language Assistance Services — U.S. Department of Health and Human Services, Office for Civil Rights
This page is a language reference. It is not medical advice.
Last reviewed: October 8, 2026