CURB – 65 score is used in pneumonia to assess
**Core Concept**
The **CURB-65** score is a clinical prediction rule used to assess the severity of **pneumonia**. It helps in determining the need for hospital admission and predicting **mortality**. The score is based on six criteria.
**Why the Correct Answer is Right**
The **CURB-65** score is calculated by assigning one point for each of the following: **C**onfusion, **U**remia (elevated blood urea nitrogen), **R**espiratory rate ≥30 breaths/min, **B**lood pressure <90 mmHg systolic or ≤60 mmHg diastolic, and **65** years of age or older. This scoring system is useful for identifying patients with **community-acquired pneumonia** who are at high risk of death.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because the CURB-65 score is not used to assess cardiac function.
**Option B:** Incorrect because, although the respiratory rate is a component, the score assesses overall pneumonia severity, not just respiratory function.
**Option D:** Incorrect because, while the score includes age, it assesses more than just the patient's age.
**Clinical Pearl / High-Yield Fact**
The **CURB-65** score is a simple and effective tool for assessing the severity of pneumonia and guiding management decisions. A higher score indicates a greater risk of mortality.
**Correct Answer:** D. Severity of pneumonia