Community Acquired Pneumonia, A Simple Guide To The Condition, Diagnosis, Treatment And Related Conditions

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This book describes Community Acquired Pneumonia, Diagnosis and Treatment and Related Diseases Community-acquired pneumonia (CAP) is one of the most frequent infectious diseases and is an important cause of disease and death worldwide. Numerous other micro-organisms can produce CAP in the proper medical situation. Epidemiologic data may provide indications to the specific organism causing CAP such as: The most frequent bacterial pathogen generally is S pneumoniae, even though, in some situations, including in the USA, its incidence is reducing, possibly due to vaccination. Underlying chronic obstructive pulmonary disease (COPD: H influenzae or M catarrhalis Recent influenza infection: Staphylococcus aureus or S pneumoniae Alcoholic patient manifesting with “currant jelly” sputum: Klebsiella pneumoniae Also, the atypical CAP pathogens are really frequent sources of CAP and were initially classified as atypical since they are not easily detectable on Gram stain or cultivated on bacteriologic media. CAP is normally obtained by inhalation or aspiration of a pathogenic organism. Aspiration pneumonia is often induced by multiple micro-organisms (e.g., aerobic/anaerobic oral organisms). Typical community-acquired pneumonia Typical bacterial pathogens that cause CAP are: Streptococcus pneumoniae, Haemophilus influenzae, and Moraxella catarrhalis. With the introduction of novel diagnostic methods, viral respiratory pathogens are more often being identified as frequent causes of CAP. The most frequent viral micro-organisms obtained from hospitalized patients with CAP are: Human rhinovirus and Influenza. Atypical community-acquired pneumonia The medical manifestation of “atypical” CAP is often sub-acute and often gradual. Also, patients with atypical CAP may present with more subtle pulmonary signs, non-lobar infiltrates on radiography, and numerous extra-pulmonary presentations (e.g., diarrhea, otalgia). Atypical CAP pathogens are: Mycoplasma pneumoniae Chlamydophila ( Chlamydia) pneumoniae Legionella pneumophila (Legionnaires disease) Respiratory viruses such as: a. Influenza A and B b. Rhinovirus c. Respiratory syncytial virus d. Human metapneumovirus e. Adenovirus 4 and 7 f. Parainfluenza virus Other rare CAP pathogens are: Viruses a. Coxsackievirus b. Echovirus c. Coronavirus (MERS-CoV, SARS) d. Hantavirus e. Epstein-Barr virus f. Cytomegalovirus g. Herpes simplex virus h. Human herpesvirus 6 i. Varicella-zoster virus j. Metapneumovirus Bacteria a. Chlamydophila psittaci (psittacosis) b. Coxiella burnetii (Q fever) c. Francisella tularensis (tularemia) d. Mycobacteria e. Mycobacteria tuberculosis f. Non-tuberculous mycobacteria (uncommon) Endemic fungi a. Histoplasma capsulatum b. Cryptococcus neoformans and neoformans gattii c. Coccidioides immitis The most frequent symptoms of CAP are: a. Cough that may bring up green, yellow, or bloody mucus b. Fever, which may be mild or high with chills, or severe shaking c. Shortness of breath d. Breathing and heartbeat that is faster than usual e. Sharp or stabbing chest pain that gets worse when the patient breathes in or cough f. Fatigue and loss of appetite g. Trouble thinking clearly h. Excess sweating and clammy skin i. Headache j. Loss of appetite, low energy, and fatigue k. Malaise l. White nail syndrome, or leukonychia The doctor must first determine whether the patient needs to be in the hospital. If the patient is treated in the hospital, the patient will receive: Fluids and antibiotics Oxygen therapy Breathing treatment TABLE OF CONTENT Introduction Chapter 1 Community Acquired Pneumonia Chapter 2 Causes Chapter 3 Symptoms Chapter 4 Diagnosis Chapter 5 Treatment Chapter 6 Prognosis Chapter 7 Typical Pneumonia Chapter 8 Atypical Pneumonia Epilogue画面が切り替わりますので、しばらくお待ち下さい。
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