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.[emedicine.medscape.com]Tachypnea and dyspnea are also signs of lower respiratory involvement.[emedicine.medscape.com]
[…] pulmonary disease (COPD), bronchitis, asthma, influenza, viral syndrome, respiratory failure and congestive heart failure with infection, pneumonia or symptoms of wheezing, dyspnea[contagionlive.com]Cough was reported by all patients, 85 patients (73%) produced sputum, 61 patients (52%) had discolored sputum and 78 patients (67%) suffered from dyspnea.[karger.com]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[karger.com]
Differential Diagnosis of Acute Bronchitis The acute bronchitis must be differentiated from other diseases that may cause cough , dyspnea and wheezing .  Disease Findings[wikidoc.org]Chronic Bronchitis Presents with chronic cough, dyspnea and sputum production for more than three months for two years.  Pneumonia Presents with acute fever , cough and[wikidoc.org][…] shortness of breath, although pulmonary infiltrate on chest x-ray is an imaging finding.  Asthma Presents with cough, dyspnea and wheezing and typically is a chronic condition[wikidoc.org]
Respiratory stertor, open-mouth breathing, and inspiratory dyspnea occur when the nasal passages are narrowed from inflamed mucosa, glandular elements, and secretions.[merckvetmanual.com]Clinical Findings: Acute rhinitis is characterized by nasal discharge, sneezing, pawing at the face, respiratory stertor, open-mouth breathing, and/or inspiratory dyspnea.[merckvetmanual.com]
Most patients present with exertional dyspnea and a nonproductive cough.[emedicine.medscape.com]Dyspnea, which is the most prominent symptom in idiopathic pulmonary fibrosis, usually begins insidiously and is often progressive.[emedicine.medscape.com][…] before the diagnosis of idiopathic pulmonary fibrosis is established is one to two years.  Most patients are referred to a cardiologist for evaluation of exertional dyspnea[emedicine.medscape.com]
Pain with respiration may cause patients to complain of shortness of breath or dyspnea.[aafp.org]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[aafp.org], fatigue, myalgia Crackles, egophony, fremitus Infiltrate Typically not indicated Pneumothorax Sudden pain and dyspnea Tachycardia, hyperresonance, decreased breath sounds[aafp.org]
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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.