What is the role of radiography in the workup of Haemophilus influenzae infections?

Updated: Jun 11, 2021
  • Author: Joseph Adrian L Buensalido, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Chest radiography

Patients with Hib pneumonias tend to have more pleural and pericardial involvement (50% of patients) than those with other bacterial pneumonias.

Community-acquired pneumonias due to NTHi are characterized by alveolar infiltrates in patchy or lobar distributions.

Lateral neck radiography

In epiglottitis, a lateral neck radiograph reveals dilatation of the hypopharynx and a swollen epiglottis (termed the thumbprint sign). In addition, the cervical spine is usually straightened.

If epiglottitis is clinically suspected, obtain radiography only if a functional airway is guaranteed.

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