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18 Possible Causes for Gram-Positive Bacilli in the Sputum

  • Acute Respiratory Infection

    Sputum specimen  Gram staining  Acid fast bacilli  Pleural fluid examination (if present)  ASO titer (in case of streptococcal pneumonia)  Tuberculin skin test  Viral[] .   White cell count and CRP  15,000 – 40,000/mm3 neutrophil predominance  Blood cultures  25% positive  NASOPHARYNGEAL ASPIRATE  Viral immunoflorescence in infants[]

  • Lingular Pneumonia

    Sputum examination demonstrated few gram-positive cocci and gram-negative bacilli, and negative AFB stain.[]

  • Gram-Negative Pneumonia

    Gram-negative bacilli accounted for the majority of organisms (48.1%) and Gram-positive bacteria for 40.7% ( Table 1 ).[] Of the 100 patients, they obtained sputum samples from 99 patients. 42.4% of these cultures were negative.[] This study also examined the disappearance of these organisms from the sputum following antibiotic treatment and found that some bacteria remained detectable.[]

  • Pyopneumothorax

    Sputum Gram's stain revealed Gram-positive cocci, but culture grew only commensals. Sputum for acid fast bacilli was repeatedly negative.[]

  • Acetinobacter

    The organism appears as gram-negative cocci and bacilli in the top figure A (Gram stain of sputum) but as gram-positive bacilli in the bottom figure B (Gram stain of blood[]

  • Acute Interstitial Pneumonitis

    For instance, a sputum sample revealing abundant gram-positive cocci in clusters should lead to the initiation of vancomycin.[] Conversely, if gram-negative bacilli are the dominant organisms, then use of pipercillin/tazobactam, cefepime, or ceftazodine would be reasonable.[] For patients with other suspected bacterial pathogens, therapy should be driven by the results of Gram stain or other data that provide insight into the etiologic agent.[]

  • Cystic Lung Disease

    Gram stain showed a large number of epithelial and polynuclear cells, gram negative bacilli and gram positive cocci.[] A sputum specimen was negative for acid fast bacilli.[] Sputum culture grew Klebsiella pneumoniae, sensitive to nalidixic acid, norfloxacin, ciprofloxacin, cefotaxime and gentamycin.[]

  • Necrotizing Alveolitis

    […] long thin gram - bacilli with pointed ends Why is culturing pseudomonas difficult?[] positive sputum culture commonly only represents colonization What is the treatment for pseudomonas?[] […] diffusely distributed bilateral bronchopneumonic infiltrates /- nodular lesions, small abscesses, pleural effusions What wil a gram stain of pseudomonas show?[]

  • Lung Abscess

    In addition, it is noteworthy that 11 of the cases attributed to gram-negative bacilli had blood culture results positive for these organisms, and K. pneumoniae was detected[] […] in only 1 patient who had putrid sputum.[]

  • Aspergilloma

    Gram's stain of the sputum sample showed gram-positive septate hyphae with dichotomous branching [Figure 2] and gram-positive budding yeast cells with pseudohyphae.[] Zeihl-Neelson's staining did not reveal any acid fast bacilli in three sputum samples.[]

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