The Pneumonia Severity Index That Should Be In Your Knowledge

The Pneumonia Severity Index That Should Be In Your Knowledge

The pneumonia severity index is a scoring system in which the assessment of the severity of community-acquired pneumonia is done, and it also helps determine the admission status. You need to know that pneumonia is a disease in which the presence of new or progressive infiltrate is found in the body. It is either done through the radiography or chest CT scan. It also includes two or more than two of some of the following things, which are fever, sputum production, rhinorrhea, sore throat, dyspnea etc.


What is community-acquired pneumonia?

The pneumonia severity index helps find sicker patients, but it should not be used as the sole determinant of ICU admission. This is because if it happens, then the whole local admission criteria will get affected by local facilities in ICU as well as outside the ICU. The pneumonia severity index is one of the best-validated scoring schemes, which helps a lot in finding the number of patients and evaluating the score. In this article, you will get to know about the different aspects of the pneumonia severity index, proving to be very knowledgeable for you.

The Pneumonia Severity Index That Should Be In Your Knowledge

This is the definition for pneumonia which is acquired outside of the hospital. One of the most common causes of community-acquired pneumonia is streptococcus pneumoniae. It is a bacteria that is responsible mainly for community-acquired pneumonia in adults. The pneumonia severity index is one of the best scoring tools for predicting patients’ mortality with community spread pneumonia.

 You will be amazed to know that this tool predicts mortality accurately, but it cannot directly measure the severity of the disease. The clinical assessment is required for deciding the hospital admission or ICU care depending on the seriousness of the condition. This system is being used in areas that have limited success. This is a decision-supporting tool, and it gives preliminary data about the community spread of pneumonia.

What is the primary purpose of pneumonia severity index scores?

The pneumonia severity index is used in clinical practice for decades now. But they are included in the healthcare delivery systems recently. The primary purpose of deriving the severity scores in pneumonia is so many. If you want to know about them, then you are suggested to have a look at the points listed below.

  • The first purpose of the pneumonia severity index is to enable the junior clinical staff to identify critical unwell patients. It is essential for you to know that by reading the index, the ward nurse can contact the doctor who is out of hours and convey to them the message of urgent action required.
  • Another purpose of the pneumonia severity index is that it helps in tracking the severity of patient disease over time. Some unskilled workers can measure and record the observation, and they can identify the patients who are in need of attention with having very little medical knowledge.
  • It helps in guiding the initial clinical management. For instance, the pneumonia severity index helps to identify the patients who can be managed in the community. The doctors can also determine the patients who require intensive treatment unit care. The pneumonia severity index classifies the patients in various categories, so it becomes easier for the doctors to identify that which type of treatment is suitable for the patient.
  • The pneumonia severity index helps a lot for community-acquired pneumonia, and they act as a guide for clinical management. It simply identifies the risk of deterioration in the patients who are suffering from pneumonia. But you need to know that the application of pneumonia severity index scores is not straightforward for measuring, but it describes that how well it is going to be incorporated into the clinical setting.


As you can conclude from the above-mentioned points, the pneumonia severity index is an excellent tool for enabling the identification of patients who have higher risk and patients who have a lower risk. It is a tool that medical practitioners can use in order to calculate the probability of mortality of the patients who are suffering from community-acquired pneumonia. It can also be determined that the patient need to be hospitalized or not.

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Dr. John Augustine received his BA from Harvard College magna cum laude in 1987 and his Ph.D. and MD degrees from the Albert Einstein College of Medicine in 1992 and 1993. He was then an intern and resident in Internal Medicine at the Yale-New Haven Hospital from 1993-1995. From 1995-1998, John was a clinical associate at the National Cancer Institute. He joined the faculty of the Duke University Medical Center in 2008 as Chief of Rheumatology at the Durham VA Hospital, a position he held until the end of 2017. He served as Chief of Rheumatology and Immunology at Duke from 2003-2008. He has conducted basic and translational research in the field of autoimmunity. He was focusing on the pathogenesis of systemic lupus erythematosus (SLE) and the immunological properties of nuclear macromolecules, including DNA. More recently, he has investigated the immune activities of HMGB1, a nuclear protein with alarmin activity, as well as microparticles. These studies have provided new insights into the translocation of atomic molecules during cell activation and cell death and the mechanisms by which cell death can influence innate immunity.


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