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Syncope (medicine) 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 pressure. [1]
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]
Sweating. Nausea or vomiting. Dizziness. Pain caused by a heart attack usually persists for more than 20 minutes. Stroke. Stroke symptoms usually come on suddenly and can include: Confusion.
Vertigo. Vertigo is a condition in which a person has the sensation that they are moving, or that objects around them are moving, when they are not. [1] Often it feels like a spinning or swaying movement. [1][2] It may be associated with nausea, vomiting, perspiration, or difficulties walking. [2] It is typically worse when the head is moved. [2]
Nausea or vomiting. Loss of appetite. Low-grade fever. Constipation or diarrhea. Stomach bloating or gas. Related: The 2 Most Important Things Your Farts Reveal About Your Health, According to GI Docs
Common symptoms linked to motion sickness include nausea, fatigue, headache, irritability, dizziness, sweating and salivation, according to Cleveland Clinic. A more serious symptom of motion ...
Dizziness is broken down into four main subtypes: vertigo (~25–50%), disequilibrium (less than ~15%), presyncope (less than ~15%), and nonspecific dizziness (~10%). [5] Vertigo is the sensation of spinning or having one's surroundings spin about them. Many people find vertigo very disturbing and often report associated nausea and vomiting. [6]
Sweating. Nausea or vomiting. Dizziness. Pain caused by a heart attack usually persists for more than 20 minutes. KucherAV/istockphoto. Stroke. Stroke symptoms usually come on suddenly and can ...