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  2. Hypoxemia - Wikipedia

    en.wikipedia.org/wiki/Hypoxemia

    After training, the capillary volume is still the same however cardiac output is increased, resulting in a decreased capillary transit time, reducing to around 0.16s in trained individuals at maximal work rates. This does not give sufficient time for gas diffusion and results in a hypoxemia.

  3. Hypoxia (medicine) - Wikipedia

    en.wikipedia.org/wiki/Hypoxia_(medicine)

    In chronic presentation, dyspnea following exertion is most commonly mentioned. Symptoms of the underlying condition that caused the hypoxia may be apparent, and can help with differential diagnosis. A productive cough and fever may be present with lung infection, and leg edema may suggest heart failure. [8]

  4. Silent hypoxia - Wikipedia

    en.wikipedia.org/wiki/Silent_hypoxia

    In COVID-19, the arterial and general tissue oxygen levels can drop without any initial warning.The chest x-ray may show diffuse pneumonia.Cases of silent hypoxia with COVID-19 have been reported for patients who did not experience shortness of breath or coughing until their oxygen levels had depressed to such a degree that they were at risk of acute respiratory distress (ARDS) and organ failure.

  5. Respiratory failure - Wikipedia

    en.wikipedia.org/wiki/Respiratory_failure

    Respiratory failure results from inadequate gas exchange by the respiratory system, meaning that the arterial oxygen, carbon dioxide, or both cannot be kept at normal levels. A drop in the oxygen carried in the blood is known as hypoxemia ; a rise in arterial carbon dioxide levels is called hypercapnia .

  6. Pulmonary edema - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_edema

    The most common symptom of pulmonary edema is dyspnea and may include other symptoms relating to inadequate oxygen such as fast breathing , tachycardia and cyanosis. Other common symptoms include coughing up blood (classically seen as pink or red, frothy sputum), excessive sweating, anxiety, and pale skin.

  7. Have your cold or flu symptoms lingered this winter? Doctors ...

    www.aol.com/news/cold-flu-symptoms-lingered...

    And an analysis of U.K. adults published in October found that common cold viruses can lead to coughing, stomach pain and diarrhea more than a month after an initial infection. Scientists are ...

  8. Is it COVID-19, a cold or the flu? Your guide to seasonal ...

    www.aol.com/lifestyle/covid-19-flu-colds-back...

    The common cold often shares many of the symptoms associated with COVID-19 or the flu but tends to be much milder. You may have a runny nose or congestion, sneezing, sore throat, cough, slight ...

  9. Mom Urged Doctors to Pay Attention to Daughter's Symptoms ...

    www.aol.com/mom-urged-doctors-pay-attention...

    After a lengthy scan in which she wasn't allowed to see the screen, "I left knowing nothing," the mom recalls. "But my doctor called me on my way home and asked to see me at 8:00 a.m. the next day.