Some CRE bacteria have become resistant to almost all available antibiotics and can be deadlyâone report cites they can contribute to death in up to 50% of patients who become infected.ome CRE bacteria have become resistant to almost all available antibiotics and can be deadlyâone report cites they can contribute to death in up to 50% of patients who become infected.
2.7k Views â¢ Joshua has 690+ answers and in. RR interval is just 1/heart rate. If your heart rate is 120 beats per minute, then the RR interval is 1 minute per 120 beats, or .5 seconds.But that's not going to tell you anything meaningful for somebody who wants to talk about RR interval..7k Views â¢ Joshua has 690+ answers and in. RR interval is just 1/heart rate. If your heart rate is 120 beats per minute, then the RR interval is 1 minute per 120 beats, or .5 seconds.
In step one, you found your resting heart rate (RHR). You'll use this number to find your target heart rate zones using the Karvonen formula, a measure of your heart rate reserve. Using this formula, we'll calculate a THR zone between 50% and 85% of your heart rate reserve.