7.1 introduction the patient avoids complications that make using O2 increased as smoking. In the too-hot or cold The weight was increased by stress, etc. These factors will increase the resistance of the blood vessels end makes the heart work harder to increase O2.
7.1 advise patients to avoid the use of O2 increased smoking in the hot or too cold. Weight gain so much stress these factors will increase the resistance of peripheral makes the heart work harder, like O2 increases.
7.1 advise patients avoid conditions that make use of O2 increased, such as smoking, staying in too hot or cold, weight increase. Stress, etc.O2 increased.