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  2. Focused assessment with sonography for trauma - Wikipedia

    en.wikipedia.org/wiki/Focused_assessment_with_s...

    The sign is an imaging finding using a 3.5–7.5 MHz ultrasound probe in the fourth and fifth intercostal spaces in the anterior clavicular line using the M-Mode of the machine. This finding is seen in the M-mode tracing as pleura and lung being indistinguishable as linear hyperechogenic lines and is fairly reliable for diagnosis of a pneumothorax.

  3. Photoacoustic imaging - Wikipedia

    en.wikipedia.org/wiki/Photoacoustic_imaging

    Photoacoustic imaging or optoacoustic imaging is a biomedical imaging modality based on the photoacoustic effect.Non-ionizing laser pulses are delivered into biological tissues and part of the energy will be absorbed and converted into heat, leading to transient thermoelastic expansion and thus wideband (i.e. MHz) ultrasonic emission.

  4. Pneumothorax - Wikipedia

    en.wikipedia.org/wiki/Pneumothorax

    In contrast, tension pneumothorax is a medical emergency and may be treated before imaging – especially if there is severe hypoxia, very low blood pressure, or an impaired level of consciousness. In tension pneumothorax, X-rays are sometimes required if there is doubt about the anatomical location of the pneumothorax. [16] [18]

  5. Medical ultrasound - Wikipedia

    en.wikipedia.org/wiki/Medical_ultrasound

    Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.

  6. Pulmonary contusion - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_contusion

    Pulmonary hypoxic vasoconstriction, in which blood vessels near the hypoxic alveoli constrict (narrow their diameter) in response to the lowered oxygen levels, can occur in pulmonary contusion. [27] The vascular resistance increases in the contused part of the lung, leading to a decrease in the amount of blood that flows into it, [ 38 ...

  7. Deep sulcus sign - Wikipedia

    en.wikipedia.org/wiki/Deep_sulcus_sign

    In radiology, the deep sulcus sign on a supine chest radiograph is an indirect indicator of a pneumothorax. [1] [2] In a supine film, it appears as a deep, lucent, ipsilateral costophrenic angle [3] within the nondependent portions of the pleural space as opposed to the apex (of the lung) when the patient is upright.

  8. Mediastinal shift - Wikipedia

    en.wikipedia.org/wiki/Mediastinal_shift

    Tension pneumothorax is an emergent condition in which air gets trapped in the space between the chest wall and the lung. This space is referred to as the pleural space. Because air can't escape from this space, the air pocket grows larger and larger, resulting in the lung collapse closest to the pneumothorax.

  9. Flail chest - Wikipedia

    en.wikipedia.org/wiki/Flail_chest

    Flail chest is a life-threatening medical condition that occurs when a segment of the rib cage breaks due to trauma and becomes detached from the rest of the chest wall.Two of the symptoms of flail chest are chest pain and shortness of breath.