This improves blood flow to the heart. muscle and relieves symptoms (usually chest pain). Stents are used depending on certain features of the. artery blockage. Factors that affect whether a stent can. be used include the size of the artery and where the. blockage is.
Usually, this gasping or agonal breathing stops within about four minutes, which is why many experts have not recognized this phenomenon so far! Gasping is a survival reflex triggered by the brain and can increase the chances of survival for someone in cardiac arrest.
In a regular six to eight hour period of sleep, someone with sleep apnea will stop breathing for a period of time, possibly up to a minute. This is due to air passages becoming blocked, many times due to a collapse in tissue in the back of the throat.