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Increased Vocal Resonance



  • Increased resonance of vocal sounds on auscultation of the chest.
    • Significance

    • Occurs due to increased density within the lung parenchyma.
    • Causes of Increased Vocal Resonance

    • Pneumonia
    • Atelectasis
    • Lung cancer

Why Blue Balloons?

  • Tactile fremitus was first described by a German physician who called for the patient to say “neunundneunzig” (ninety-nine). “Blue Balloons” is an English phrase that closely resembles the sound and vibration emitted from the lungs when saying “neunundneunzig” (a low frequency ‘diphthong' phrase).
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