RHEUMATOID ARTHRITIS Mauro Keiserman, MD. Rheumatology Specialist by the Brazilian Society of Rheumatology. Head Professor of Rheumatology at the Catholic University School of Medicine (PUC-RS). What is it? Rheumatoid arthritis (RA) is a chronic disease of unknown cause. Its main characteristic is a persistent joint inflammation, but there are cases in which other organs are… Continuar lendo RHEUMATOID ARTHRITIS
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RHEUMATISM
RHEUMATISM A Brief Overview of the History of Rheumatism What is Rheumatism? In fact, under the designation 'rheumatism' are classified more than one hundred different diseases. Many people think of rheumatism when they experience pain along muscles and tendons (patients often mistake 'tendons' for 'nerves'). Others refer to joint diseases. They are all right, but… Continuar lendo RHEUMATISM
INFLUENZA A VIRUS
Alternative Names: swine flu; influenzavirus A; pig flu, influenza A What is it? It is a disease caused by a mutation (usually H1N1) from influenza virus A. Therefore, it is a new virus, with genetic material unknown to the immune system of people. This new virus has emerged due to a large antigenic variation… Continuar lendo INFLUENZA A VIRUS
INFLUENZA A VIRUS
Influenza A virus Alternative Names: swine flu; influenzavirus A; pig flu, influenza A What is it? It is a disease caused by a mutation (usually H1N1) from influenza virus A. Therefore, it is a new virus, with genetic material unknown to the immune system of people. This new virus has emerged due to a large… Continuar lendo INFLUENZA A VIRUS
SEVERE ACUTE RESPIRATORY SYNDROME
SEVERE ACUTE RESPIRATORY SYNDROME Márcio Lança, M.D., Pneumology. Medical Residency in Internal Medicine and Pneumology, Catholic University São Lucas Hospital (PUC-RS). Alternative name: SARS What is it? It is a severe viral respiratory disease that first appeared in Guangdong, China. Other cases cases have also been reported in other parts of Asia, in addition to… Continuar lendo SEVERE ACUTE RESPIRATORY SYNDROME
PULMONARY TUBERCULOSIS
PULMONARY TUBERCULOSIS Márcio Lança, M.D., Pneumology. Medical Residency in Internal Medicine and Pneumology, Catholic University São Lucas Hospital (PUC-RS). What is it? It’s an infection caused by a microorganism called Mycobacterium tuberculosis, also known as Koch’s bacillus. The disease usually affects the lungs, but it can also occur in other organs of the body, even… Continuar lendo PULMONARY TUBERCULOSIS
PNEUMONIA
PNEUMONIA Márcio Lança, M.D., Pneumology. Medical Residency in Internal Medicine and Pneumology, Catholic University São Lucas Hospital (PUC-RS). Synonyms: Lung infection or lower respiratory tract infection What is it? Pneumonia is an infection or inflammation in the lungs. It can be caused by several different microorganisms, including viruses, bacteria, parasites or fungi. This disease is… Continuar lendo PNEUMONIA
INFLUENZA
INFLUENZA Synonym: flu. What is it? It is a respiratory infection caused by the Influenza virus. It can affect millions of people each year. It is highly contagious that usually occurs in the late Autumn, Winter and beginning of Spring. It is also responsible for much of the work and school absenteeism and, in addition,… Continuar lendo INFLUENZA
STROKE
STROKE Nelson ASPESI, MD. Professor of Neurology and Neurosurgery at the State University Rio Grande do Sul (UFRGS). What is it? Stroke is a condition characterized by an acute onset of neurological deficit (reduction in the function) that persists for at least 24 h, reflecting the focal involvement of the central nervous system as… Continuar lendo STROKE
MULTIPLE SCLEROSIS
MULTIPLE SCLEROSIS Popular names: Sclerosis en plaques, disseminated sclerosis What is it? It is a slowly progressive disease of the Central Nervous System characterized by disseminated patches of demyelinization (loss of the substance – myelin- that insulates the nerves) in the brain and spinal cord, prompting multiple, varied symptoms and neurological signs, with periods of… Continuar lendo MULTIPLE SCLEROSIS