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Cold shock response is a series of neurogenic cardio-respiratory responses caused by sudden immersion in cold water. In cold water immersions, such as by falling through thin ice, cold shock response is perhaps the most common cause of death. [1] Also, the abrupt contact with very cold water may cause involuntary inhalation, which, if ...
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]
Lightheadedness is a common and typically unpleasant sensation of dizziness [1] or a feeling that one may faint. The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring. In addition to dizziness, the individual may feel as though their head is weightless.
These are some of the major causes of an acute cough, according to doctors: Allergens like pet dander, mold, or pollen An upper respiratory infection like the common cold, the flu, or COVID-19
[18] Fainting can occur in "cough syncope" following severe fits of coughing, such as that associated with pertussis or "whooping cough". [19] Neurally mediated syncope may also occur when an area in the neck known as the carotid sinus is pressed. [1] A normal response to carotid sinus massage is reduction in blood pressure and slowing of the ...
Vagal maneuvers have a reported success rate of conversion to sinus rhythm for SVT around 20-40%, possibly being higher for AVNRT (an SVT associated with a bypass tract). [4] Whereas the modified Valsalva maneuver is most effective in adults, [ 5 ] cold water immersion may be preferred as a safe, effective, and non-invasive treatment for ...
1. Walking can boost your mood. Feeling a little glum lately? Lace up your shoes and get moving. Walking for an hour a day can reduce your risk of depression, according to a 2019 JAMA Psychiatry ...
A bacterium called Mycoplasma pneumoniae causes two types of respiratory tract infections: the more common chest cold, tracheobronchitis, and the less common lung infection, walking pneumonia.