Results. Creatinine and creatinine clearance tests measure creatinine levels in your blood and urine. These tests give information about how well your kidneys are working. The creatinine clearance value is found from the amounts of creatinine in the urine and blood and from the amount of urine you pass in 24 hours.
This can control or prevent episodes of rapid heartbeat. ... The ventricles also beat rapidly, but not as rapidly as the atria, as not all the ... Reducing stress, as intense stress and anger can cause heart rhythm problems; Using over-the ... with caution, as some cold and cough medications contain stimulants that may trigger a rapid heartbeat. ... Atrial flutter is a type of abnormal fast beating ( arrhythmia ) in the atria. ...
Causes. Exercise is a common cause of rapid heart rate. Your heart rate should elevate during exercise, but it may be a problem if your heart rate remains elevated for more than 10 minutes after you finish your workout. Dehydration can also cause a faster heart rate.xercise is a common cause of rapid heart rate. Your heart rate should elevate during exercise, but it may be a problem if your heart rate remains elevated for more than 10 minutes after you finish your workout.