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  2. Reflex syncope - Wikipedia

    en.wikipedia.org/wiki/Reflex_syncope

    Carotid sinus syncope is due to pressure on the carotid sinus in the neck. [2] The underlying mechanism involves the nervous system slowing the heart rate and dilating blood vessels, resulting in low blood pressure and thus not enough blood flow to the brain. [2] Diagnosis is based on the symptoms after ruling out other possible causes. [3]

  3. Sinus node dysfunction - Wikipedia

    en.wikipedia.org/wiki/Sinus_node_dysfunction

    Often sinus node dysfunction produces no symptoms, especially early in the disease course. Signs and symptoms usually appear in more advanced disease and more than 50% of patients will present with syncope or transient near-fainting spells as well as bradycardias that are accompanied by rapid heart rhythms, referred to as tachycardia-bradycardia syndrome [4] [5] Other presenting signs or ...

  4. Syncope (medicine) - Wikipedia

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

    Diseases involving the shape and strength of the heart can be a cause of reduced blood flow to the brain, which increases risk for syncope. [3] The most common cause in this category is fainting associated with an acute myocardial infarction or ischemic event.

  5. Do you have a sinus headache or migraine attack? Here's ... - AOL

    www.aol.com/news/sinus-headache-migraine-attack...

    Many people who feel like they have a sinus headache are actually diagnosed with migraine, experts say. Here's how to tell the difference, according to experts.

  6. Yep, Allergies Might Be to Blame for Your Upset Stomach ... - AOL

    www.aol.com/news/fall-allergies-might-blame...

    In addition, seasonal allergies are known to cause sinus inflammation, but that isn’t the only area that can become inflamed. In fact, Dr. Shawn Nasseri, ...

  7. Aerosinusitis - Wikipedia

    en.wikipedia.org/wiki/Aerosinusitis

    The pressure difference causes the mucosal lining of the sinuses to become swollen and submucosal bleeding follows with further difficulties ventilating the sinus, especially if the orifices are involved. Ultimately fluid or blood will fill the space. In most cases of sinus barotrauma, localized pain to the frontal area is the predominant symptom.

  8. Sinusitis - Wikipedia

    en.wikipedia.org/wiki/Sinusitis

    Sinusitis, also known as rhinosinusitis, is an inflammation of the mucous membranes that line the sinuses resulting in symptoms that may include production of thick nasal mucus, nasal congestion, facial congestion, facial pain, facial pressure, loss of smell, or fever.

  9. Sinus bradycardia - Wikipedia

    en.wikipedia.org/wiki/Sinus_bradycardia

    Sinus bradycardia is commonly seen in normal healthy persons and athletes in the absence of pathophysiological diseases or conditions. [1] Different factors or etiologies could lead to the dysfunction of the sinus node, causing a malformation or prolongation of the impulse. In terms of pathophysiological diseases, sinus rhythm may be caused by:

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