/ Cars / Cadillac. After GMâs bankruptcy in 2009, Cadillac returned with a vengeance and continues to make moves designed to regain the respect of first-tier luxury buyers. Helping its rise is the XT5 crossover, the 7 Series fighting CT6 as well as the ATS-V and CTS-V performance sedans that compete with the best Europe has to offer.
1 A rising heart rate does not cause your blood pressure to increase at the same rate. 2  Even though your heart is beating more times a minute, healthy blood vessels dilate (get larger) to allow more blood to flow through more easily.
How fast the heart beats depends on the body's need for oxygen-rich blood. At rest, the SA node causes your heart to beat about 50 to 100 times each minute. During activity or excitement, your body needs more oxygen-rich blood; the heart rate rises to well over 100 beats per minute.Medications and some medical conditions may affect how fast your heart-rate is at rest and with exercise.ou can tell how fast your heart is beating (your heart rate) by feeling your pulse. Your heart-rate is the amount of times your heart beats in one minute.