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    4,718 Possible Causes for Dyspnea in USA

    • Upper Respiratory Infection

      Dyspnea and increased work of breathing may be worse at night in patients with whooping cough, because of changes in airway mechanics while the patient is recumbent.[] Tachypnea and dyspnea are also signs of lower respiratory involvement.[]

    • Acute Gastroenteritis

      Respiratory symptoms such as cough, dyspnea or tachypnea may indicate the presence of an underlying pneumonia.[]

    • Influenza

      Primary influenza pneumonia is characterized by progressive cough, dyspnea, and cyanosis following the initial presentation.[]

    • Viral Lower Respiratory Infection

      […] pulmonary disease (COPD), bronchitis, asthma, influenza, viral syndrome, respiratory failure and congestive heart failure with infection, pneumonia or symptoms of wheezing, dyspnea[] Cough was reported by all patients, 85 patients (73%) produced sputum, 61 patients (52%) had discolored sputum and 78 patients (67%) suffered from dyspnea.[] Acute exacerbation of chronic obstructive pulmonary disease (COPD) was defined as increased sputum, discolored sputum and/or dyspnea and a forced expiratory volume in 1 s[]

    • Acute Bronchitis

      Differential Diagnosis of Acute Bronchitis The acute bronchitis must be differentiated from other diseases that may cause cough , dyspnea and wheezing . [1] Disease Findings[] Chronic Bronchitis Presents with chronic cough, dyspnea and sputum production for more than three months for two years. [2] Pneumonia Presents with acute fever , cough and[] […] shortness of breath, although pulmonary infiltrate on chest x-ray is an imaging finding. [3] Asthma Presents with cough, dyspnea and wheezing and typically is a chronic condition[]

    • Sinusitis

      Respiratory stertor, open-mouth breathing, and inspiratory dyspnea occur when the nasal passages are narrowed from inflamed mucosa, glandular elements, and secretions.[] Clinical Findings: Acute rhinitis is characterized by nasal discharge, sneezing, pawing at the face, respiratory stertor, open-mouth breathing, and/or inspiratory dyspnea.[]

    • Pneumonia

      The clinical signs included 106 rectal temperature and extreme dyspnea with open-mouth breathing.[] Progressive dyspnea and a nonproductive cough are symptoms characterizing this disease.[] Clinically it is manifested by an increase in the rate and depth of respiration at all degrees of severity up to dyspnea.[]

    • Malignant Neoplasm

      Source: Medical Disability Advisor History: Individuals may report persistent cough, coughing up blood ( hemoptysis ), shortness of breath ( dyspnea ), chest pain , loss of[]

    • Idiopathic Pulmonary Fibrosis

      Most patients present with exertional dyspnea and a nonproductive cough.[] Dyspnea, which is the most prominent symptom in idiopathic pulmonary fibrosis, usually begins insidiously and is often progressive.[] […] before the diagnosis of idiopathic pulmonary fibrosis is established is one to two years. [11] Most patients are referred to a cardiologist for evaluation of exertional dyspnea[]

    • Pleurisy

      Pain with respiration may cause patients to complain of shortness of breath or dyspnea.[] Pain that worsens while the patient is supine and lessens while the patient is upright should prompt consideration of pericarditis. 8 , 21 Dyspnea associated with the pain[] , fatigue, myalgia Crackles, egophony, fremitus Infiltrate Typically not indicated Pneumothorax Sudden pain and dyspnea Tachycardia, hyperresonance, decreased breath sounds[]


    Dyspnea (shortness of breath) is the subjective experience of breathlessness. The differential diagnosis is composed of four general forms: cardiac, pulmonary, mixed and noncardiac or nonpulmonary.

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