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Pathophysiology of meningitis
Biomedical view of meningitis
Pathophysiology of meningitis
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Over 1 million people are affected by meningitis every year, and from this statistic, about 170,000 people have died from the most severe type of meningitis, which is bacterial meningitis (comomeningitis.org). The scientific definition of meningitis is the inflammation of the lining of the brain and spinal cord that can turn deadly if not caught and treated in time. Unfortunately, those who do survive can develop long-term effects such as deafness and brain damage. In order to prevent meningitis, you need to understand the five different types of meningitis. In this report, I am going to be discussing three main types of meningitis in depth and I will briefly go over the other two types of meningitis. The most common type of meningitis is …show more content…
Before, scientists believed that meningitis was not a hereditary disease. Today, there is evidence that some people can inherit genes that can cause the likelihood of contracting meningitis from a particular set of genes. For this topic, I will be discussing the physical and biological causes of meningitis and why there is an increase of outbreaks among young adults, especially on college campuses.
There are five types of meningitis bacterial, viral, parasitic, fungal, and non-infectious meningitis. The most common type if viral, which is less severe and does usually does not require any type of treatment. Unlike bacterial meningitis, viral meningitis can resolve on its own. Most people infected with viral meningitis usually have mild symptoms or no symptoms at all. According to Centers for Disease Control and Prevention,” Non-polio enteroviruses are the most common cause of viral meningitis in the United States, especially from late spring to fall when these viruses spread most often” (CDC). There are also other viruses that cause meningitis, including the influenza virus, which is the common viral infection known as the flu. This type of meningitis can be prevented by taking care of your
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There are different reasons why people develop bacterial meningitis. Some of the reasons are age, medical conditions, and the setting. With bacterial meningitis, proper treatment should be done as soon as the symptoms begin because death can occur hours after you contract bacterial meningitis. According to CDC, “most people can recover from meningitis. However, permanent disabilities such as brain damage, hearing loss, and learning disabilities can result from the infection” (CDC). A person who carries the bacteria can pass the bacteria to another person, increasing the risk of having bacterial meningitis. The only way you can prevent bacterial meningitis is by getting vaccinated. Although bacterial meningitis is the most serious type, there is a variety of antibiotics that can help to treat it. Some of the specific medications are usually given to patients to reduce inflammation pressure in the brain. When doctors recognize the system they analyze white blood cells, high protein content, neutrophils, glucose, and lactose content to see whether or not you have bacterial meningitis. Further tests include CRP, also called Serum C-reactive protein, which is a test that doctors use to distinguish what type of meningitis it is. Another test that doctors run is a CT scan of the brain to see any abnormalities, such as swelling of the
...y infections that could cause short term or long term unneeded damage. For this reason doctors and health care professionals are recommending that all people of all ages to get theses vaccines (University of Maryland Center, 2014). Other ways to prevent this disease are to simply keep clean and be aware of good hand hygiene (University of Maryland Center, 2014). By washing your hands with antimicrobial soap and warm water with friction, most bacteria are killed. Doing this prevents organisms from potentially getting inside your body.
The Influenza virus is a unique respiratory viral disease that can have serious economic and social disruption to society. The virus is airborne transmitted through droplets release by coughing or sneezing from an infected person or by touching infected surfaces. Symptoms range from mild to severe and may even result in death. People with the virus usually experience fever, headache, shivering, muscle pain and cough, which can lead to more severe respiratory illness such as pneumonia. People most susceptible to the flu virus are elderly individuals and young children as well as anyone whose health or immune system has been compromise. The most effective way to counteract the influenza virus is to get the flu vaccine which is available by shots or nasal spray before the flu season as well as practicing safe hygiene. (CDC, 2013)
Brain damage and death can result from serial concussions (Schafer). When one suffers from a concussion, one’s brain needs time to recover physically and mentally. Between 2002 and 2006, statistics showed that 52,000 people died from concussions and about 275,000 were hospitalized (Fundukian). Everyone’s recovery process is different (“Injury and Pain Care”). Although concussions may seem minor, they are very serious brain injuries that may result in severe damage to one’s brain.
Tuberculosis or TB is an airborn infection caused by inhaled droplets that contain mycobacterium tuberculosis. When infected, the body will initiate a cell-mediated hypersensitivity response which leads to formation of lesion or cavity and positive reaction to tuberculin skin test (Kaufman, 2011). People who have been infected with mycobacteria will have a positive skin test, but only ones who have active TB will show signs and symtoms. Basic signs and symptoms include low grade fever, cough with hemoptysis, and tachypnea. They may also show pleuristic chest pain, dyspnea, progressive weight loss, fatigue and malaise (Porth, 2011).
Due to its tendency to be both a viral and bacterial disease, meningitis can prove difficult to treat. Its dual tendencies also mean that various methods are used to attack the disease. In order to treat meningitis, different aspects of the disease must be discovered first. The type of organism causing the infection, the age of the patient, and the extent of the infection must all be taken into account (WebMD, sec. 8). Any time meningitis is found, immediate treatment with antibiotics is required, and continuation of antibiotic treatment depends on whether a bacteria or a virus is causing th...
Meningitis, it’s an infection in the cerebral spinal fluid and inflammation of the meninges; the three outer layers of the brain. To be more specific, those three layers are called the Dura mater, Arachnoid mater, and the Pia mater. There are three main types of meningitis that will be discussed throughout this paper; viral, bacterial, and fungal. Each form is very similar but they all vary in terms of causative organisms, treatment and severity. Although meningitis is not very common, it can become very severe and always needs to be treated immediately.
Influenza is very contagious and spreads rapidly from person to person. Influenza causes worldwide yearly epidemics. According to World Health organization Influenza affects 5-15% world’s population and resulting in 500,000 deaths yearly. Ottenberg stated that, in United States, an average of 200,000 were hospitalized and 36,000 died each year from influenza complications. Influenza is the sixth leading cause of death among US adults and is related to 1 in 20 death in persons older than 65 years. Disease control and prevention estimates indicate that infections like H1N1 which is one of the types of influenza, have resulted in an estimated 42 to 86 million cases and 8520 to 17620 deaths. As I mentioned earlier that infections like influenza are very contagious, they can spread easily from hcw to Patient and back to hcw. The most efficient and effective method of preventing influenza infection is vaccination(The best way to prevent influenza is with annual vaccination).(Sullivan,2010) (Gregory,Tosh &Jacobson, 2005). Motivated by a desire to actively avoid illness Influenza may increase the risk for death in people with existing heart, lung, or circulation disorders. In fact, the higher than average number of winter deaths in people with heart disease may be due only to the occurrence of influenza during those months.Vaccination provides immunity to fight against infection.To increase resistance to harm by modifying the environment to minimize preventable illness (NEED TO CHANGE WORDING)
Influenza or flu is caused by RNA viruses of the family orthomyxoviridae, that affects the nose, throat, and lungs- the respiratory system. The common symptoms are: fever and respiratory problems, such as cough, sore throat,stuffy nose, as well as headaches and muscle aches. Influenza viruses are spread mainly by droplets made from people coughing, sneezing or talking while having the flu. These droplets can land in the mouths or noses of people or can inhaled into the lungs. It is least common for the virus to spread by touching an infected surface then their mouth or nose. Flu viruses are divided into 3 categories, A, B, C. A and B are responsible for problems in the respiratory system that typically occurs during the winter. Influenza types C is quite different from A and B. Type C only cause mild respiratory symptom or none at all.
Influenza is an acute respiratory illness caused by infection of influenza A and B viruses. The disease can affect both the upper and lower respiratory tract and is often followed by systemic signs and symptoms, such as: sudden onset of fever, chills, non-productive cough, myalgias (muscle pain), headache, nasal congestion, sore throat, and fatigue. (Cox et al.1998). Influenza viruses evolve continuously, challenging mammalian and avian hosts with new variants and causing complex epidemic patterns with regard to age, place, and time. Human influenza viruses cause disease through a variety of direct and indirect pathological effects. The direct effects include destruction of infected cells, damage to respiratory epithelium, and immunological responses that cause general malaise and pneumonia. Indirect effects of infection include secondary bacterial infections due to the tissue damage and other disease such as cardiovascular disease, renal disease, diabetes or chronic pulmonary disease (Schoenbaum S.1996). In the USA, clinical illness affects 5–20% of the population and asymptomatically infects a larger number (Noble G.1982). Infants, who are exposed to influenza epidemics as a novel antigenic challenge after maternal antibodies decline, may have attack rates as high as 30–50% in their first year of life, depending on the frequency of contacts with older siblings (Glezen et al.1997). For reasons, influenza viruses cause epidemics in the northern and southern hemisphere during their respective winters. In the tropics, the timing of activity is less defined, with sometimes year-round circulation or bi-seasonal peaks during the year (Viboud et al.2006).
Cystitis is the medical term for inflammation of the urinary bladder. Most of the time, the inflammation is caused by a bacterial infection, and it’s called a urinary tract infection. A bladder infection can be painful and annoying, and it can become a serious health problem if the infection spreads to your kidney.
Urinary Tract Infection, also known as UTI, occurs in two common locations, the bladder and kidneys. The kidneys are important organs that aid in filtering out waste products from blood and maintaining water distribution throughout the body. The waste products are filtered out via bladder, which is the reason of the bladder being the second site for the infection. A normal human being has two kidneys, one on left and right side, a bean shaped organ, and is located at the back of the abdomen. “Each kidney is about 11.5 cm long, 5-7.5 cm broad, 5 cm thick, and weight about 150 grams” (HealthInfoNet, Paragraph 2). Furthermore, a bacterium named Escherichia coli lives in both the kidneys and the GI tract. E. coli is part of the human body and produces
There are 5 main pathways of environmental transmission of pathogens. Those are air-borne, food-borne, water-borne, vector-borne and blood-borne. Air-borne transmission refers to any disease that is caused by a pathogen and transmitted through the air. These pathogens can be spread by coughing, sneezing, stirring dust, liquid spraying, or generally any activity that generate aerosol particles or droplets. These pathogens can include viruses, bacteria, or fungi. Some common examples of pathogens that are spread via air-borne transmission are rhinovirus, hantavirus, adenovirus, and influenza, among many others (cdc.gov).
The human influenza virus has three classifications: A, B and C and in the United States, during the winter seasons, the variants from A and B are considered to cause the majority of the persistent outbreaks of illness (Types of Influenza Viruses). In the United States, typically, 5% to 20% of the populace acquires the flu every year and hospitalization will become necessary for an excess of 200,000 individuals because of consequential illnesses derived from the flu (Seasonal Influenza
The swine influenza or swine flu is a respiratory disease in pigs that is caused by the type A influenza viruses. These viruses are referred to as swine flu viruses but scientifically the main virus is called the swine triple reassortant (tr) H1N1 influenza virus. When the viruses infect humans they are called variant viruses. This infection has been caused in humans mainly by the H1N1v virus in the United States. The H1N1 virus originates in animals due to improper conditions and the food they ingest. The virus stays in latency form, thus harmless to the respective animal. The longer the animals survive the more likely the virus is to develop and strengthen making it immune to vaccines. The virus reproduced through the lytic cycle. The virus injects its own nucleic acids into a host cell and then they form a circle in the center of the cell. Rather than copying its own nucleic acids, the cell will copy the viral acids. The copies of viral acids then organize themselves as viruses inside of the cell. The membrane will eventually split leaving the viruses free to infect other cells.
There are numerous public health problems that can be addressed in my Southside of Chicago community. Among the several public health problems facing my Southside of Chicago community there are two that are more urgent. Health education or one might say lack thereof is a problem that needs to be addressed. My community is plagued with many of the residents suffering from high blood pressure, diabetes, and the killer virus known as HIV. In most cases these conditions can be prevented with healthier lifestyles and access to nutritious organic foods. In addition, environmental health is another urgent problem my community is facing. Access to clean, safe water and air is supposed to be a fundamental human right aimed at a healthy environment. Yet, my community consists a waste contaminated beach, numerous deteriorated building that are still occupied, and a countless number of restaurant and stores supplying our residents with services that are endangering their health.