This will normalize once. treatment pressure is achieved. Depending upon the treatment pressure used for. your therapy, you might be instructed to peri-. odically breathe air from a facemask inside the. chamber. This provides an additional protection. against oxygen toxicity.
When to See a Doctor. If you have frequent bouts of chest pain, heart palpitations or irregular heartbeats, shortness of breath or fainting, you should see your doctor right away as sudden cardiac arrest requires emergency treatment. If these symptoms are ongoing, call 9-1-1 immediately.ââ.
A cardiac arrest is not the same as a heart attack, which happens when there is a sudden complete blockage of an artery that supplies blood to an area of your heart.As a result, some of your heart muscle begins to die. Without early medical treatment, this damage can be permanent. cardiac arrest is not the same as a heart attack, which happens when there is a sudden complete blockage of an artery that supplies blood to an area of your heart.