The possible diseases of chest tightness, shortness of breath and fast heartbeat are: arrhythmia, coronary heart disease, acute exacerbation of chronic pulmonary heart disease, and so on.
1. Arrhythmia: all kinds of tachyarrhythmia can cause rapid heartbeat and shortness of breath, such as sinus tachycardia, paroxysmal supraventricular tachycardia, ventricular pre-systole and so on.
2. Coronary heart disease: some patients with angina pectoris and acute myocardial infarction can have a series of prodromal symptoms days before the onset of the disease, such as chest discomfort, fatigue, palpitations, chest tightness, shortness of breath, rapid heartbeat and so on.
3. Acute exacerbation of chronic pulmonary heart disease: patients with chronic pulmonary heart disease have a history of long-term emphysema or chronic obstructive pulmonary disease, and acute exacerbation of symptoms can occur when combined with infection, including dyspnea, chest tightness, shortness of breath, drowsiness, edema, and rapid heartbeat.
It is recommended that patients with chest tightness, shortness of breath and rapid heartbeat should go to the hospital as soon as possible to find out the cause of the disease and be treated accordingly.