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Diagnosing active tuberculosis based only on signs and symptoms is difficult, [99] as is diagnosing the disease in those who have a weakened immune system. [100] A diagnosis of TB should, however, be considered in those with signs of lung disease or constitutional symptoms lasting longer than two weeks. [ 100 ]
Depending on the sort of patient population surveyed, as few as 20%, or as many as 75% of pulmonary tuberculosis cases may be without symptoms. [2] Tuberculosis should be suspected in adults when a pneumonia-like illness has persisted longer than three weeks, or when a respiratory illness in an otherwise healthy individual does not respond to ...
Symptoms of M. tuberculosis include coughing that lasts for more than three weeks, hemoptysis, chest pain when breathing or coughing, weight loss, fatigue, fever, night sweats, chills, and loss of appetite. M. tuberculosis also has the potential of spreading to other parts of the body. This can cause blood in urine if the kidneys are affected ...
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A person with symptoms listed may have active tuberculosis, and the person should immediately see a physician so that tuberculosis is not spread. If a person with the above symptoms does not see a physician, ignoring the symptoms can result in lung damage, eye damage, organ damage and eventually death. [citation needed]
Historically, tuberculosis was the most common cause of the lung cavity (and still is in areas where tuberculosis is endemic); [7] however, the cavity can also be caused by sarcoidosis, bullae, bronchiectasis, or cystic lung disease. [2] Chronic necrotizing aspergillosis and invasive aspergillosis are usually seen in immunocompromised people. [4]
Tuberculosis: Tuberculosis is caused by Mycobacterium tuberculosis, which primarily infects the lungs, leading to Granuloma formation as the immune system walls off the bacteria. Symptoms include chronic cough, fever, night sweats, weight loss, and pleuritic chest pain if the pleura is involved, often worsening with deep breaths or coughing. [21]
Miliary tuberculosis is a form of tuberculosis that is characterized by a wide dissemination into the human body and by the tiny size of the lesions (1–5 mm). Its name comes from a distinctive pattern seen on a chest radiograph of many tiny spots distributed throughout the lung fields with the appearance similar to millet seeds—thus the term "miliary" tuberculosis.