AA is generally the abbreviation for Associate of Arts degree. This is the degree given by many two-year colleges, often called Community Colleges (which used to be called Junior Colleges). Some also award the AS-- Associate in Science degree. Typically, an Associate's degree is the equivalent of a year, or in some cases a year and a half, of courses at a four-year college, and there are many students who transfer their Associate's degree credits so that they can complete a four-year degree.
Although it may seem difficult, lowering your breathing speed will help to lower your heart rate. Take a breath for 5-8 seconds, hold it for 3-5 seconds, and then exhale slowly for a count of 5-8 seconds.
To determine this, take 220 beats per minute, or a human's maximum heart rate, and subtract your age. For instance, a 40-year-old has a target heart rate of approximately 180 beats per minute during exercise. Lowering a Rapid Heart Rate. Lower a rapid heart rate by sitting down and taking slow, deep breaths.