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Depends on underlying cause [ 2 ] Frequency. ~5 per 1,000 per year [ 1 ] syncope ⓘ. Syncope, commonly known as fainting or passing out, is a loss of consciousness and muscle strength characterized by a fast onset, short duration, and spontaneous recovery. [ 1 ] It is caused by a decrease in blood flow to the brain, typically from low blood ...
A cough is a sudden expulsion of air through the large breathing passages which can help clear them of fluids, irritants, foreign particles and microbes.As a protective reflex, coughing can be repetitive with the cough reflex following three phases: an inhalation, a forced exhalation against a closed glottis, and a violent release of air from the lungs following opening of the glottis, usually ...
Reflex syncope. Reflex syncope is a brief loss of consciousness due to a neurologically induced drop in blood pressure and/or a decrease in heart rate. [5][6][7][8][9][10][2] Before an affected person passes out, there may be sweating, a decreased ability to see, or ringing in the ears. [1] Occasionally, the person may twitch while unconscious. [1]
Paroxysmal nocturnal dyspnea or paroxysmal nocturnal dyspnoea (PND) is an attack of severe shortness of breath and coughing that generally occurs at night. [1] It usually awakens the person from sleep, and may be quite frightening. [2] PND, as well as simple orthopnea, may be relieved by sitting upright at the side of the bed with legs dangling ...
Pulmonary edema (British English: oedema), also known as pulmonary congestion, is excessive fluid accumulation in the tissue or air spaces (usually alveoli) of the lungs. [1] This leads to impaired gas exchange, most often leading to shortness of breath (dyspnea) which can progress to hypoxemia and respiratory failure.
The violent coughing fits, the struggle to breath, and the high pitched "whoop" sound that some people make when inhaling after a cough attack are all telltale symptoms of this unpleasant ...
Catarrhal: This is the first stage, which lasts one to two weeks. During this stage, patients may have symptoms like runny nose, fever, and fatigue. Paroxysmal: The second stage of whooping cough ...
Whooping cough gets its name because people may make a high-pitched "whoop" sound when they inhale after a coughing fit. The coughing can be so bad that people vomit during or after the coughing ...