Shortness of breath while sleeping flat on your back may be related to cardiogenic diseases, respiratory diseases, and upper airway obstruction.
1. Cardiogenic diseases. Coronary heart disease, cardiomyopathy, rheumatic heart disease and other cardiogenic diseases lead to cardiac hypoplasia, when lying down the back of the heart blood volume increases, leading to the degree of cardiac insufficiency, so there will be lying down to sleep shortness of breath, and may even appear double lower extremity edema, chest tightness, palpitations and other symptoms.
2. Respiratory system diseases. Chronic obstructive pulmonary disease, asthma, bronchial dilatation and other respiratory diseases lead to a decline in lung function, so there will be shortness of breath lying down, with the progression of the disease will appear in pulmonary heart disease, lung function as well as cardiac function have a certain degree of decline, shortness of breath will be aggravated compared with the previous.
3. Upper airway obstruction. Sleep apnea syndrome, tonsil hypertrophy, obesity, etc. will lead to a certain degree of upper airway obstruction, lying down the degree of obstruction increased, so shortness of breath.
When frequent shortness of breath that can not be relieved lying down to sleep, we should consult a doctor in a timely manner, under the guidance of the doctor’s active diagnosis and treatment.