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  2. Pulmonary hypertension - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_hypertension

    Pulmonary hypertension (PH or PHTN) is a condition of increased blood pressure in the arteries of the lungs. [7] Symptoms include shortness of breath, fainting, tiredness, chest pain, swelling of the legs, and a fast heartbeat.

  3. Hypercapnia - Wikipedia

    en.wikipedia.org/wiki/Hypercapnia

    The density of the breathing gas is higher at depth, so the effort required to fully inhale and exhale increases, making breathing more difficult and less efficient (high work of breathing). [ 13 ] [ 3 ] [ 18 ] Higher gas density also causes gas mixing within the lung to be less efficient, thus increasing the effective dead space.

  4. List of signs and symptoms of diving disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_signs_and_symptoms...

    The disorders are caused by breathing gas at the high pressures encountered at the depth of the water and divers will often breathe a gas mixture different from air to mitigate these effects. Nitrox , which contains more oxygen and less nitrogen , is commonly used as a breathing gas to reduce the risk of decompression sickness at recreational ...

  5. Pulmonary edema - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_edema

    It is possible for cardiogenic pulmonary edema to occur together with cardiogenic shock, in which the cardiac output is insufficient to sustain an adequate blood pressure to the lungs. This can be treated with inotropic agents or by intra-aortic balloon pump , but this is regarded as temporary treatment while the underlying cause is addressed ...

  6. Pulmonary arterial hypertension - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_arterial...

    Pulmonary Arterial Hypertension; Pulmonary arterial hypertension is characterized by increased pressure in the pulmonary arteries and arterioles (the pulmonary circulation proximal to the capillary bed) Specialty: Pulmonology, Cardiology, Symptoms: breathlessness, fatigue, lightheadedness, chest pain, fainting (late finding), leg swelling (late ...

  7. Chest pain - Wikipedia

    en.wikipedia.org/wiki/Chest_pain

    Hemothorax: A hemothorax occurs from accumulation of blood in the pleural cavity, commonly due to trauma, vascular injury, or coagulopathies, which can disrupt lung expansion and oxygenation. Key symptoms include sharp chest pain, difficulty breathing, low blood pressure in severe cases, and diminished breath sounds accompanied by dullness to ...

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