Cough - the most common symptom of respiratory illness
Coughing is a reflex or voluntary, sudden, explosive breathing action to clear material from the airways.
Common causes of acute cough include:
- Upper respiratory tract infection
- Postnasal drip syndrome
- Acute exacerbation of chronic
- Obstructive pulmonary disease
- Lung infection
Common causes of chronic cough include：
- Chronic bronchitis
- Postnasal drip syndrome
- Cough after infection
- Gastroesophageal reflux syndrome and lung tumors
Cough up blood
Coughing up blood can also involve the cardiovascular system, blood disorders, and other systemic diseases. A small amount of hemoptysis is blood in the sputum, and a large amount is 300-600ml in 24 hours.
The amount of hemoptysis is small when the bronchial mucosa and lung congest.
Lung cancer is mostly blood in the sputum or a small amount of hemoptysis.
The following diseases cause massive hemoptysis:
- Bronchiectasis
- Bronchial mucosal ulcer
- Bronchoarterial fistula
- Bronchial artery disease
- Tuberculosis cavitary aneurysm rupture
Excessive hemoptysis can cause airway obstruction and suffocation, which is life-threatening;
Dyspnea - acute, chronic and recurrent.
There are three types of dyspnea: inspiratory, expiratory, and mixed.
Dyspnea often develops rapidly with massive pneumothorax and pleural effusion.
Chronic bronchitis and COPD usually take several years or even more than 20 years to experience breathing difficulties.
Asthma presents with recurrent episodes of dyspnea. And accompanied by wheezing, laryngeal edema, laryngeal or airway inflammation.
Tumors or foreign bodies cause upper airway stenosis, manifesting as inspiratory dyspnea accompanied by stridor.
Chronic bronchitis, COPD and bronchial asthma present with expiratory dyspnea.
Obstructive pulmonary disease Deep breathing, restrictive lung disease. Such as pulmonary fibrosis, shallow breathing;
Chest pain
Soft tissue or rib pain is a superficial pain.
Manifested as thoracic trauma, rib fracture, costochondritis, herpes zoster, dry pleurisy, etc.
Acute bronchitis, angina pectoris, and esophageal diseases are all deep pains.
The clinical significance of chest pain is sometimes difficult to determine. Sometimes the disease is more serious. Such as lung cancer metastasized to the ribs showed persistent knife-like pain.
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