Hello, symptom 1: when sleeping on a low pillow at night, I feel chest tightness and suffocating, and I need to raise my pillow position (or sitting position) to feel comfortable; Sudden chest pain, palpitation and dyspnea when sleeping or lying flat during the day need to sit up or stand up immediately to relieve;

Symptom 2: chest tightness, palpitation and shortness of breath occur during physical activity, which will relieve itself after rest; Headache, toothache and leg pain related to exercise; Chest pain, palpitations, colds or watching thrillers after a full meal;

Symptom 3: palpitation, chest tightness, shortness of breath or chest pain during sexual life or forced defecation;

Symptom 4: Hearing the sound of gongs and drums or other noises around will cause palpitation and chest tightness; Repeated irregular pulse, unexplained tachycardia or bradycardia.

Symptom 5: When you are tired or nervous, you will feel dull pain behind the sternum or precordial area, or constrictive pain, which will radiate to the left shoulder and left upper arm for 3-5 minutes, even more than 10 minutes, and then relieve itself after rest. I hope I can help you and wish you health.