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  2. Hs and Ts - Wikipedia

    en.wikipedia.org/wiki/Hs_and_Ts

    Tension pneumothorax is the build-up of air into one of the pleural cavities, which causes a mediastinal shift. When this happens, the great vessels (particularly the superior vena cava ) become kinked, which limits blood return to the heart .

  3. Obstructive shock - Wikipedia

    en.wikipedia.org/wiki/Obstructive_shock

    Left-sided tension pneumothorax. Note the area without lung markings which is air in the pleural space. Also note the tracheal and mediastinal shift from the patient's left to right. Causes include any obstruction of blood flow to and from the heart. There are multiple, including pulmonary embolism, cardiac tamponade, and tension pneumothorax.

  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. I'm a heart surgeon and heart attack survivor. These are 6 ...

    www.aol.com/im-heart-surgeon-heart-attack...

    These symptoms can also be associated with coronary heart disease or abnormal heart rhythms and are a red flag that should be evaluated, he notes. Inability to lie flat and breathe comfortably ...

  6. Beck's triad (cardiology) - Wikipedia

    en.wikipedia.org/wiki/Beck's_triad_(cardiology)

    Beck's triad is a collection of three medical signs associated with acute cardiac tamponade, a medical emergency when excessive fluid accumulates in the pericardial sac around the heart and impairs its ability to pump blood. The signs are low arterial blood pressure, distended neck veins, and distant, muffled heart sounds. [1]

  7. Mediastinal shift - Wikipedia

    en.wikipedia.org/wiki/Mediastinal_shift

    Left tension pneumothorax with a large, well-demarcated area devoid of lung markings with tracheal deviation and movement of the heart away from the affected side. Mediastinal shift is an abnormal movement of the mediastinal structures toward one side of the chest cavity .

  8. Tracheal deviation - Wikipedia

    en.wikipedia.org/wiki/Tracheal_deviation

    Image shows early occurrence of tracheal deviation. Tracheal deviation is a clinical sign that results from unequal intrathoracic pressure within the chest cavity.It is most commonly associated with traumatic pneumothorax, but can be caused by a number of both acute and chronic health issues, such as pneumonectomy, atelectasis, pleural effusion, fibrothorax (pleural fibrosis), or some cancers ...

  9. Subcutaneous emphysema - Wikipedia

    en.wikipedia.org/wiki/Subcutaneous_emphysema

    Subcutaneous emphysema is frequently found in pneumothorax (air outside of the lung in the chest cavity) [14] [15] and may also result from pneumomediastinum (air in the mediastinum) or pneumopericardium (air in the pericardial cavity around the heart). [16] A tension pneumothorax, in which air builds up in the pleural cavity and exerts ...

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