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.
In 2006 the American Heart Association presented the following definitions of sudden cardiac arrest and sudden cardiac death: Cardiac arrest is the sudden cessation of cardiac activity so that the victim becomes unresponsive, with no normal breathing and no signs of circulation.