Difficulty in breathing. What is the reason why you can catch your breath by putting your hand on your chest? It's been two days, and it's still the same.

It is caused by respiratory diseases, including: 1, upper respiratory diseases, abscess of posterior pharyngeal wall, tonsillar enlargement, foreign body in throat, laryngeal edema, laryngeal cancer, etc.

2. Bronchial diseases: stenosis and obstruction caused by bronchitis, bronchial asthma, bronchiectasis, bronchial foreign bodies and tumors.

3. Pulmonary diseases: chronic obstructive pulmonary disease (COPD) pneumonia, tuberculosis, pulmonary congestion, atelectasis, pulmonary edema, pulmonary cyst's disease, pulmonary infarction, lung cancer, sarcoidosis, pulmonary fibrosis, acute respiratory distress syndrome (ARDS), etc.

4. Pleural diseases: spontaneous pneumothorax, massive pleural effusion, severe pleural adhesion and thickening, pleural stromal tumor, etc.

I suggest you go to the hospital for a systematic examination.

Pleural diseases: thoracic deformity, chest wall inflammation, tuberculosis, trauma, rib fracture, rheumatoid spondylitis, chest wall respiratory muscle paralysis, scleroderma, myasthenia gravis, obesity, etc.

Mediastinal diseases: mediastinal inflammation, emphysema, hernia, aortic aneurysm, lymphoma, teratoma, intrathoracic thyroid tumor, thymoma, etc.