2, efficacy: potassium deficiency can easily lead to patients with weak heartbeat, respiratory paralysis, generalized weakness, and in severe cases, it can also be life-threatening, so the phenomenon of potassium deficiency should be supplemented with potassium chloride in time to avoid endangering the life of the patients with potassium deficiency to go to the hospital for treatment in time to find out the cause of the disease, and then according to the cause of the cause of the cause of the treatment, but also more intake of vegetables and fruits containing potassium, such as yams, watermelon, spinach, bananas, such as the discomfort should be informed to the doctor in time. If you are not feeling well, you should inform your doctor in time.