Dizziness accompanied by panic and chest tightness is mostly caused by heart disease, as well as other disease factors. Common causes of dizziness, panic, shortness of breath and chest tightness are as follows: 1. Low blood sugar: This usually happens when you are hungry, sometimes accompanied by panic, weakness, blackness in front of the eyes and other symptoms. This time you can eat some food containing sugar, the symptoms can be relieved. 2, low blood pressure: low blood pressure will not only appear dizziness and panic, shortness of breath and chest tightness, sometimes accompanied by cold sweat, weakness of the limbs, blackness in front of the eyes and other symptoms, this time need to rest in bed, can not walk, so as not to fall on the body. 3, sometimes coronary heart disease: heart failure, myocarditis and other heart diseases can also lead to dizziness and shortness of breath and chest tightness. This situation requires a blood test to check the cardiac enzymes, electrocardiogram or cardiac ultrasound, so that the diagnosis can be confirmed. 4, autonomic dysfunction: sometimes can also lead to dizziness, panic, shortness of breath and chest tightness, but this situation is more after the mental factors occur or aggravated. After the appearance of dizziness and panic, shortness of breath and chest tightness, it is recommended to go to the regular hospital for medical consultation as soon as possible.