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  2. Postural orthostatic tachycardia syndrome - Wikipedia

    en.wikipedia.org/wiki/Postural_orthostatic...

    Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...

  3. Pure autonomic failure - Wikipedia

    en.wikipedia.org/wiki/Pure_autonomic_failure

    The majority of symptoms that patients with PAF exhibit are associated with neurogenic orthostatic hypotension, or orthostatic hypotension brought on by severe sympathetic failure. Within three minutes of standing up straight, orthostatic hypotension is defined as a drop in systolic blood pressure of at least 20 mm Hg or a drop in diastolic ...

  4. List of medical symptoms - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_symptoms

    List of medical symptoms. Medical symptoms refer to the manifestations or indications of a disease or condition, perceived and complained about by the patient. [1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals.

  5. Katie Ledecky opens up about POTS diagnosis and how she ...

    www.aol.com/news/katie-ledecky-opens-pots...

    Ledecky first experienced symptoms of POTS during the 2015 World Aquatics Championships in Kazan, Russia, she wrote in her memoir. One evening after dinner, she felt unusually hot and lightheaded.

  6. Dysautonomia - Wikipedia

    en.wikipedia.org/wiki/Dysautonomia

    Dysautonomia, autonomic failure, or autonomic dysfunction is a condition in which the autonomic nervous system (ANS) does not work properly. This condition may affect the functioning of the heart, bladder, intestines, sweat glands, pupils, and blood vessels.

  7. Signs and symptoms - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms

    Signs and symptoms are also applied to physiological states outside the context of disease, as for example when referring to the signs and symptoms of pregnancy, or the symptoms of dehydration. Sometimes a disease may be present without showing any signs or symptoms when it is known as being asymptomatic . [ 13 ]

  8. List of neurological conditions and disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_neurological...

    This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...

  9. Macewen's sign - Wikipedia

    en.wikipedia.org/wiki/Macewen's_sign

    Macewen's sign or Macewen sign (/ m ə ˈ k j uː ə n / mə-KEW-ən) is a sign used to help to diagnose hydrocephalus [1] (accumulation of excess cerebrospinal fluid) and brain abscesses. Tapping the skull near the junction of the frontal, temporal, and parietal bones will produce cracked pot sound. Positive test is indication of separated ...