Pneumonia Causes & Reasons

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Pneumonia Symptom Checker: Possible causes include Bronchitis. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search.

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Possible Causes

Bronchitis

Unlike bronchitis, pneumonia can be life-threatening. You may have heard the term “Walking Pneumonia”. [floridamedicalclinic.com]

It is also possible to get pneumonia after bronchitis. Some vaccinations can reduce the risk of pneumonia. [medicalnewstoday.com]

Chronic bronchitis also greatly increases the risk of pneumonia and can make it more difficult for a person's body to fight pneumonia. [medicalnewstoday.com]

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Acute Bronchitis

Patients seeking medical attention for respiratory infections were investigated with serology and culture for Chlamydia pneumoniae to investigate the prevalence of C. pneumoniae [ncbi.nlm.nih.gov]

Since serum IgM to M. pneumoniae was positive and IgG to B. pertussis was significantly elevated, and there were no findings of pneumonia on a chest x-ray film, we made a [ncbi.nlm.nih.gov]

C pneumoniae was identified by polymerase chain reaction (PCR) in a nasopharyngeal swab collected on day 5. Virological studies were negative. [ncbi.nlm.nih.gov]

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Viral Lower Respiratory Infection

The causative organisms of pneumonia in children in Egypt. J Lab Clin Med. 1933;13:751-754. Google Scholar [journals.sagepub.com]

Note similarity to influenza pneumonia in Figure 5. [ajronline.org]

Clinical characteristics and computed tomography findings in children with 2009 pandemic influenza A (H1N1) viral pneumonia. [ajronline.org]

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Viral Upper Respiratory Tract Infection

[…] en Infections and infestations Common: sepsis (including fatal outcome), pneumonia (including bacterial, viral, and fungal), upper respiratory tract infection/inflammation [da.glosbe.com]

Multiplex PCR was used to test for Streptococcus pneumoniae, Legionella, Bordetella pertussis, chlamydia pneumoniae, Mycoplasma pneumoniae or Haemophilus influenzae type B [bmcinfectdis.biomedcentral.com]

Bacterial diversity was lower in culture-positive samples for Streptococcus pneumoniae, and Haemophilus influenzae, compared to cultured-negative samples. [ncbi.nlm.nih.gov]

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Upper Respiratory Infection

Learn why pneumonia can increase your heart attack risk. [rd.com]

[…] streptococcal pneumonia. [bmcinfectdis.biomedcentral.com]

CONCLUSIONS: Seasonal predilection in winter, nasopharyngeal colonization with S. pneumoniae and parental occupation (poor socioeconomic status) are the most important risk [ncbi.nlm.nih.gov]

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Common Cold

[…] strikes like a man eating shark led by its pilot fish the common cold LCCN98516749.tif 2.712 4.096; 31,79 MB Pneumonia strikes like a man eating shark.jpg 678 1.024; 153 [commons.wikimedia.org]

They affect both the upper and lower respiratory tract and cause colds but have also been associated with wheezing, asthma exacerbations and pneumonia. [ncbi.nlm.nih.gov]

[…] especially exaggerated year-round risk from a deficiency Getting plenty of vitamin D — more than diet can offer — appears to provide potent protection against colds, flu and even pneumonia [sciencenews.org]

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Adenovirus Infection

This finding of dual viral infections of the intestine and lung in patients with concomitant enteritis and pneumonia provides a basis for symptoms emanating simultaneously [ncbi.nlm.nih.gov]

The first infant, born vaginally at 35 weeks gestational age after premature rupture of membranes and maternal illness, developed pneumonia, hepatitis and coagulopathy and [ncbi.nlm.nih.gov]

In view of the serious outcome, HAdV infections should be considered in the differential diagnosis of pneumonia in neonates. [ncbi.nlm.nih.gov]

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COVID-19

[…] time of surgery, these changes likely represent an early-phase of the lung pathology of COVID-19 pneumonia," Dr. [ascopost.com]

Japanese doctors say an asthma drug appears to be effective in reducing symptoms of coronavirus patients who developed pneumonia. [www3.nhk.or.jp]

Viral Pneumonia, below). [medscape.com]

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Acute Respiratory Infection

Bacterial pneumonia can be caused by Streptococcus pneumonia or Haemophilus influenza type b, among other bacteria and viruses. [medlifemovement.org]

M. pneumoniae and influenza were the leading pathogens among hospitalized SARI patients. [ncbi.nlm.nih.gov]

Although pneumonia itself is not contagious, the viruses that cause it are. [medlifemovement.org]

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Bronchial Asthma

[…] equivalents of C pneumoniae DNA extracted from C pneumoniae elementary bodies (strain Kajaani 7) was used. [dx.doi.org]

[…] or C. pneumoniae. [dx.doi.org]

A 10-year-old schoolgirl was hospitalized with asthma exacerbation and acute pneumonia. [ncbi.nlm.nih.gov]

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Pulmonary Edema

Five patients (42%) developed pneumonia, and we postponed extubation until recovery from pneumonia. [ncbi.nlm.nih.gov]

What Is Pneumonia? Pneumonia is an infection of the lungs that may be caused by bacteria, viruses, or fungi. [lung.org]

Pneumonia is another serious condition of the lungs. Unlike edema, pneumonia is caused by either a viral, fungal, or bacterial infection. [healthline.com]

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Streptococcal Infection

Streptococcus pneumoniae S. pneumoniae is usually found on the surface of the skin and inside the throat. It causes infections in both adults and children. [yourgenome.org]

80% of all bacterial pneumonias. [histopathology-india.net]

There are many different types of Streptococci and infections vary in severity from mild throat infections to pneumonia. [yourgenome.org]

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Pharyngitis

Throat cultures from an adult pharyngitis patient yielded Streptococcus pneumoniae as a single organism, with a very high bacterial count. [ncbi.nlm.nih.gov]

However, acute pharyngitis caused by Klebsiella pneumoniae with a gross appearance mimicking hypopharyngeal malignancy has never previously been reported. [ncbi.nlm.nih.gov]

We report a case of pharyngitis, polyarthritis and localized exanthem in acute Mycoplasma pneumoniae infection not involving the lower respiratory tract. [ncbi.nlm.nih.gov]

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Moraxella Catarrhalis

This report describes a case of severe pneumonia associated with Mycoplasma pneumoniae infection and Moraxella catarrhalis bacteraemia in a 44-y-old woman with undiagnosed [ncbi.nlm.nih.gov]

Moraxella catarrhalis pneumonia, although in the immunocompromised patients is very uncommon for community-acquired pneumonia (CAP). [ncbi.nlm.nih.gov]

A-75-year old woman with agammaglobulinemia developed Moraxella catarrhalis bacteremic pneumonia. [ncbi.nlm.nih.gov]

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Influenza

Bronchoscopy and transbronchial lung biopsy showed organizing pneumonia due to viral pneumonia caused by influenza B. [ncbi.nlm.nih.gov]

We report coinfection of Mycoplasma pneumoniae in swine influenza A H1N1 child who presented with extensive pneumonia and expired within 48 hours. [ncbi.nlm.nih.gov]

We describe the case of influenza A (H1N1) severe pneumonia complicated by an acute eosinophilic pneumonia. [ncbi.nlm.nih.gov]

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Streptococcus Pyogenes

Among the genus Streptococcus, S. pyogenes and S. pneumoniae are the major causes of pharyngitis, impetigo, pneumonia and meningitis in humans. [ncbi.nlm.nih.gov]

Gram-positive pneumonias. [ncbi.nlm.nih.gov]

We report here one exceptional case of a patient with mixed bacterial meningitis due to Streptococcus pneumoniae and Streptococcus pyogenes. [ncbi.nlm.nih.gov]

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Pneumonia

For instance pneumonia caused by Klebsiella may have the “currant jelly” symptom or bloody sputum, pneumonia caused by Streptococcus pneumonia is linked with rusty and coloured [symptoma.com]

Home 2015 ICD-9-CM Diagnosis Codes Diseases Of The Respiratory System 460-519 Pneumonia And Influenza 480-488 Pneumococcal pneumonia [Streptococcus pneumoniae pneumonia] 481 [icd9data.com]

This is managed as pneumonia. [ 3 ] Pathogenesis The most likely organisms are: S. pneumoniae, S. aureus, Mycoplasma pneumoniae, Haemophilus influenzae, Chlamydophila pneumoniae [patient.info]

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Klebsiella

K. pneumoniae. [ncbi.nlm.nih.gov]

Nucleotide (GenBank) : AF190857 Klebsiella pneumoniae cloacin operon, complete sequence. [lgcstandards-atcc.org]

History and Physical The presentation of pneumonia caused by K. pneumoniae is similar to that seen in community-acquired pneumonia. [ncbi.nlm.nih.gov]

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Acute Otitis Media

Serotype 19A (22.4%) was the most common S. pneumoniae serotype, with serogroups 11 (14.7%) and 15 (13.5%) following. [ncbi.nlm.nih.gov]

BACKGROUND: Streptococcus pneumoniae is a common cause of community-acquired alveolar pneumonia (CAAP) and acute otitis media (AOM) in children. [ncbi.nlm.nih.gov]

One hundred and four isolates of S. pneumoniae were available for study. [ncbi.nlm.nih.gov]

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Atelectasis

A 27-year-old, previously healthy woman was admitted to our hospital for mild pneumonia. [ncbi.nlm.nih.gov]

The mean (SD) enhancement was 62 (18) HU in pneumonia and 119 (24) HU in atelectasis (P 0.001). [ncbi.nlm.nih.gov]

If pneumonia is acquired within 48 hours of admission in the hospital, it is called hospital- acquired pneumonia. [differencebetween.net]

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Pulmonary Embolism

She was found to have left lower lobe consolidation and pleural effusion and was treated as a case of pneumonia. [ncbi.nlm.nih.gov]

We report an unusual presentation of pulmonary embolism (PE) where a 58-year-old man first developed symptoms of community-acquired pneumonia. [ncbi.nlm.nih.gov]

We present a case of a 44-year-old Caucasian man who was admitted to the intensive care unit with a diagnosis of community-acquired pneumonia and respiratory failure and who [ncbi.nlm.nih.gov]

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Pulmonary Infarction

Three patients with pneumonia and one patient with emboli, but without infarction, did not have these T1 weighted images. [ncbi.nlm.nih.gov]

CT examination above was performed in arterial phase because of the question of malignancy and/or pneumonia. [radiopaedia.org]

Infarcts are still often mistaken for pneumonia or lung cancer because of the deeply rooted belief that they ought to be triangular in shape. [ncbi.nlm.nih.gov]

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Otitis Media

pneumonia. [doi.org]

We estimate a substantial reduction in the hospitalised burden of pneumococcal pneumonia in all age groups and pneumonia of unspecified cause, empyema and lung abscess in [ncbi.nlm.nih.gov]

Streptococcus pneumoniae S pneumoniae is the most common etiologic agent responsible for AOM and for invasive bacterial infections in children of all age groups. [9] It is [emedicine.com]

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Sinusitis

There were no cases of resistant bacterial growth, and only one case of Streptococcus pneumoniae. [ncbi.nlm.nih.gov]

The antibiotic of choice must cover S. pneumoniae, H. influenzae, and M. catarrhalis. [web.archive.org]

The rise of antimicrobial resistance in S pneumoniae is a major concern. [emedicine.com]

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Respiratory Syncytial Virus Infection

Michigan Department of Public Health records revealed six additional cases of adult bilateral pneumonia with diagnostic antibody titers to RSV, with or without coinfection [ncbi.nlm.nih.gov]

CONCLUSION: Co-detection of RSV and S. pneumoniae in the nasopharynx was associated with more severe ARI, suggesting that S. pneumoniae colonization plays a pathogenic role [ncbi.nlm.nih.gov]

We conclude that RSV can present as a dense pneumonia in patients with phagocyte defects. [ncbi.nlm.nih.gov]

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Acute Sinusitis

Penicillin-sensitive S. pneumoniae (PSSP) and penicillin-intermediate-resistant S. pneumoniae (PISP) accounted for 21% and 79% of the S. pneumoniae strains, respectively. [ncbi.nlm.nih.gov]

[…] were not colonized with S pneumoniae. [ncbi.nlm.nih.gov]

IMPORTANCE: The widespread use of the 7-valent pneumococcal conjugate vaccine (PVC7), developed to combat invasive Streptococcus pneumoniae infections, has the potential to [ncbi.nlm.nih.gov]

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Bronchogenic Carcinoma

In-hospital mortality due to postoperative pneumonia was 7 cases (31.8%). In the postoperative pneumonia group, microorganisms were isolated in 10 cases (45.5%). [ncbi.nlm.nih.gov]

Round pneumonia is a condition usually described in children, with few reports addressing adult patients. [ncbi.nlm.nih.gov]

He later developed pneumonia In alcoholics, aspiration pneumonia is common--bacteria enter the lung via aspiration of gastric contents. and fever. [peir.path.uab.edu]

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Staphylococcus Aureus

Here we show that PVL is sufficient to cause pneumonia and that the expression of this leukotoxin induces global changes in transcriptional levels of genes encoding secreted [doi.org]

Fatal hemorrhagic staphylococcal pneumonia, Arch Pediatr Adolesc Med, 1995, vol. 149 (pg. 925 - 6 ) 24 Severe community acquired pneumonia due to Staphylococcus aureus, Intensive [doi.org]

[…] pulmonary disease, we tested the pathogenicity of clinical isolates, isogenic PVL-negative and PVL-positive S. aureus strains, as well as purified PVL, in a mouse acute pneumonia [doi.org]

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Pseudomonas Aeruginosa

As a result, aspiration pneumonia was suggested, and empirical vancomycin and piperacillin-tazobactam were initiated. [ncbi.nlm.nih.gov]

[…] progressed to multifocal pneumonia with a fatal outcome. [ncbi.nlm.nih.gov]

We report a previously healthy patient who developed severe community-acquired pneumonia (CAP) caused by P. aeruginosa. [ncbi.nlm.nih.gov]

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Pseudomonas

It is a common hospital acquired pneumonia. [gpnotebook.co.uk]

The earliest description of P. aeruginosa pneumonia dates back to 1917 [1]. [bmcinfectdis.biomedcentral.com]

pneumonia - usually occurring in the ICU setting - ventilator associated pneumonia bacteremic pseudomonas aeruginosa pneumonia - usually in the neutropenic host Radiographic [radiopaedia.org]

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