Category: Health Problems

Radiation Therapy Dosage

When radiation therapy is used to treat cancerous cells in the body, it is important to measure the dose correctly to avoid unnecessary damage to normal cells in the body. Radiation is not selective to tumor cells and targets any cells that are in the process of replication when the therapy is applied, which accounts

Zika treatment

There is currently no specific vaccine to protect people against the Zika virus or any specific antiviral drug treatment for people who are infected with the virus already. Patients are advised to use medications that can help to alleviate the symptoms that they have. Around 20% of the people that become infected with the Zika

What is Usher Syndrome?

Usher syndrome is a rare genetic disorder that affects approximately 1 in 25,000 babies born and causes hearing and vision loss, often accompanied by balance problems. The syndrome accounts for 3-6% of all deaf children. Hearing loss usually presents first, although the speed of progression to deafness can vary greatly between individuals. Retinitis pigmentosa initially

Color Blindness Misconceptions

Several misconceptions and myths surround the topic of color vision deficiency. One common misunderstanding is that color blind individuals mistake one color for another, such as seeing red when others see green or vice versa. Instead, people who are color blind cannot distinguish colors at all and the world they see is made up of

Low Blood Sugar

Low blood sugar is referred to as hypoglycaemia. It is the most common and most dangerous condition for many people with both type 1 and type 2 diabetes. This occurs when the blood glucose drops below the normal level. Levels of blood glucose below 70 mg/dl are considered below normal according to the American Diabetes

Parkinson's Disease Support

Good Parkinson’s disease care The Department of Health in the United Kingdom developed a National Service Framework (NSF) for the management and handling of long term nerve related disorders like Parkinson’s disease. The NSF allows health and social care professionals to plan and deliver services that are quicker and easier to access and use, matched

Sudden Cardiac Death Causes

Sudden cardiac death usually occurs due to changes in the heart that alter the electrical signaling to cause arrhythmias. The irregular heartbeat increases the risk of dangerous circumstances and sudden cardiac death. Ventricular Fibrillation The most common cause of sudden cardiac arrest is ventricular fibrillation, which is a type of arrhythmia. This involves abnormal function

Esomeprazole Efficacy

Esomeprazole is a proton pump inhibitor (PPI), a drug that is used to reduce acid secretion in the stomach. There are several different brand names for esomeprazole including Nexium, Essocam and Esmezol. The molecule is developed and marketed by AstraZeneca. Esomeprazole is the more active, S-isomer or S-enantiomer of the PPI omeprazole (the R-isomer), which

Meningitis Prevention

Meningitis, especially caused by certain bacteria and viruses, is preventable with vaccinations and prophylactic or preventable antibiotics and medications among those who have been exposed to the infection. Vaccinations may be against routine infections as part of the child’s immunization programme or they may be age and immunity specific and specific for travellers to regions

What is an Adenocarcinoma?

Adenocarcinoma is a type of cancer that may affect various organs. It is derived from the word “adeno” meaning ‘pertaining to a gland’ and “carcinoma” meaning cancer. What is cancer? Every cell in the body has a tightly regulated system that dictates when it needs to grow, mature and eventually die off. Cancer occurs when

What Causes Dementia?

Dementia occurs due to loss of brain function that occurs with certain diseases. It can affect several brain functions such as memory, thinking, language, planning, behavior and judgement. Dementias are usually progressive and worsen with time. They usually are degenerative and non reversible. ©Alexilusmedical / Shutterstock.com Types of dementia Alzheimer's disease is the most common

Oxygen Therapy Administration

Oxygen therapy may be administered in several ways, using several different types of devices. Oxygen therapy may be needed on an emergency basis in an acute setting or on a long-term basis in the home management of chronic illness. Increasing the amount of oxygen supplied to the lungs can benefit the patient by making more

Mesothelioma Legal Issues

Mesothelioma is considered a signal tumor for asbestos exposure which typically occurs decades after the first exposure to asbestos fibers. Mesothelioma laws were created in order to ensure that victims are adequately compensated by their employers if they have been exposed to it in the workplace. A majority of these cases are thought to be

Cause of Diabetic Coma

Diabetic coma is a dangerous condition that can lead to unconsciousness and even death. Diabetic coma may affect 2% to 15% of all diabetics at least once in their lifetime and the condition that most commonly causes the coma is severe hypoglycaemia or low blood sugar. There are three main causes of coma in people

Treatment and Prevention of Tooth Decay

Although the early stages of tooth decay are amenable to treatment, the advanced stages may lead to tooth loss along with a host of other complications. The basic tenet for treating tooth decay is therefore early identification of the problem, when the tooth can still be salvaged. In the early stages of tooth decay, for

What is Motor Neurone Disease?

Motor neurone disease is a rare condition of the nervous system that leads to loss of muscle control. The disease leads to progressive weakness, muscle wastage and eventually disability. Credit: vitstudio/Shutterstock.com The disease is caused by the degeneration of specialist nerve cells in the brain and spinal cord called motorneurons. These motorneurons control important muscle

History of Tuberculosis

Tuberculosis is a highly contagious disease caused by the bacteria Mycobacterium tuberculosis (M. tuberculosis), which is believed to be present in the nature for at least 15,000 years. Mycobacterium tuberculosis is a pathogenic bacterial species in the family Mycobacteriaceae and the causative agent of most cases of tuberculosis – Illustration Credit: Tatiana Shepeleva / Shutterstock

Spondylolisthesis Pathology

There are five main types of spondylolisthesis that have distinct causes and pathology associated with them. These types include: Isthmic spondylolisthesis Degenerative spondylolisthesis Traumatic spondylolisthesis Pathologic spondylolisthesis Congenital spondylolisthesis Each of these types will be discussed in further detail below, with particular regard to their pathology and the cause of the condition. Dysplastic spondylolisthesis Some

Surface Attachment of Biological Elements

A biosensor consists of a bioelement that interacts with an analyte and a transducer that converts the response into an electrical signal. The bioelement is usually an enzyme, antibody or microorganism and the transducer may be optical, acoustic, electrochemical or calorimetric. The first step in preparing a biosensor is the application of the biological element

Rheumatic Fever Diagnosis

Rheumatic fever represents an autoimmune disease following infection with group A streptococcus (Streptococcus pyogenes), which is one of the most ubiquitous of human pathogens. The disease is characterized by multiple focal inflammatory lesions of the connective tissue structures – particularly of the heart, blood vessels and joints. Rheumatic fever remains one of the major causes