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symptoms of pneumonia streptococcus pneumonia, early symptoms and signs of pneumonia streptococcus pneumonia

symptoms of pneumonia streptococcus pneumonia, early symptoms and signs of pneumonia streptococcus pneumonia

Streptococcal pneumonia symptoms

Typical symptoms: rapid onset, accompanied by chills, high fever at 39-40°C, coughing up purulent or bloody sputum, shortness of breath, and some patients may have chest pain due to involvement of the pleura. The patient has fatigue, lack of appetite, nausea and vomiting. In severe cases, septic shock may occur.

Related symptoms: chills, fever, pain, cough

The incubation period is 1 to 2 days. Most of them have a history of upper respiratory tract infection before the onset of illness. It can also occur in healthy young adults, but they often have a history of cold and rain. Sudden severe chills, fever, severe chest tingling or knife-cutting pain, often aggravated with coughing and breathing, so that the patient lie down on the affected side, and restrict the thoracic movement of this side to relieve chest pain. In severe cases, it extends to the diaphragmatic pleura, while chest pain involves the lower chest, upper abdomen, or shoulders. Irritating dry cough, there may be a small amount of sticky sputum, bloody or rusty. Extensive lesions include shortness of breath and cyanosis. Severe illness is often accompanied by vomiting, abdominal distension, aundice, myalgia, weakness, and a few cases of blood pressure drop and shock. Chest signs may not be obvious at the beginning. During the consolidation phase, there may be percussion dullness, auscultation of bronchial breath sounds, increased tremor, and moist rales; if the pleura is inflamed, there may be pleural friction sounds and local chest wall tenderness. If there is organ displacement, it indicates atelectasis (moving to the affected side) or pleural effusion (moving to the healthy side). If the jugular vein is distended and the liver is enlarged, it may indicate congestive heart failure. Peripheral blood: the white blood cell count often increases to (20-30)*109/L, and the neutrophils reach 80%, with nucleus shifting to the left and poisoning particles. The white blood cell count of the elderly and weak patients may not increase.

1. Diagnosis

1. X-ray chest examination only showed an increase in lung texture at the beginning of the disease, and the consolidation stage showed a typical large thick shadow, most of which started from the right middle lobe or one lower lobe, most of which were limited to one lobe, a few could be limited to a single lung segment, occasionally interleaf spaces Bulge.

2. Pathogenic examination

(1) Bacteriological examination: smear and culture of sputum and throat swabs. Streptococcus pneumoniae can be found, which can pass bile hemolysis test, serological reaction, glucose fermentation reaction, ethyl hydrogenated hydroxyquinine sensitivity test and alpha hemolytic streptococcus Identify. If the amount of sputum is small or mixed with bacteria and it is difficult to separate, the sample can be injected into the abdominal cavity of the mouse, and the heart blood and the abdominal cavity extract are taken for culture at the time of death, and pure culture can be obtained. If necessary, the capsular swelling test, precipitation, agglutination and other methods can be used to identify the bacterial type.

(2) Serological diagnosis: sputum, blood and body fluids are collected to detect specific polysaccharide antigens by convective immunoelectrophoresis, which is helpful for diagnosis; even if they have received antibacterial treatment, they can also be detected.


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