Some people faint due to a sudden drop in blood pressure or skipped heart beats. The trigger for the blackout varies widely, and include emotional stress, extreme excitement, and exposure to extreme heat. It appears those whose fainting is related to missed heart beats may get relief in the future by using a pacemaker. This is not expected to work for everyone; those in whom a special test (tilt table test) shows skipped beats as the cause of their fainting spells will likely benefit the most.
Read original article at https://www.escardio.org/The-ESC/Press-Office/Press-releases/first-treatment-identified-for-fainting
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