Weakness, panic, shortness of breath and sweating may be arrhythmia, heart failure, hyperthyroidism, hypoglycemia, pneumonia and other diseases, and need to take drugs such as amiodarone or surgical treatment for the cause. 1. Arrhythmia: the heart sinus node and other autoregulatory cells and conduction block lesions, resulting in changes in heart rhythm, heart rate significantly faster, so the symptoms. It can be treated with anti-arrhythmic drugs such as amiodarone, lidocaine, etc. or electrical cardioversion or radiofrequency ablation. 2. Heart failure: the restriction of ventricular systolic and diastolic functions leads to circulatory stasis and insufficient blood supply to the tissues, so this symptom appears. Sodium nitroprusside, furosemide, digoxin and other drugs can be applied. 3. Hyperthyroidism: the thyroid gland synthesizes too much thyroid hormone, leading to hypermetabolism, so the symptoms appear. You can take methimazole, propylthiouracil and other medications or iodine 131 radiation therapy, surgery and so on. 4. Hypoglycemia: too little glucose leads to insufficient supply of energy to the tissue cells, which reflexively excites the sympathetic and vagus nerves and leads to this symptom. It can be treated with oral sugar cubes and intravenous glucose solution. 5. Pneumonia: Bacteria, mycoplasma and other pathogens infect the lungs and cause immune response, leading to the symptoms. It can be treated with antibacterial drugs such as moxifloxacin, cefoperazone, azithromycin and so on. If there is any discomfort, it is recommended to go to the hospital in time for treatment and use the medication under the guidance of the physician.