<unk>  must be differentiated from other diseases presenting with cough, shortness of breath and tachypnea, such as congestive heart failure, asthma, bronchiectasis, and bronchiolitis obliterans, pulmonary embolism, pericarditis, and vasculitis.
Emphysema differential diagnosis
Bronchitis differential diagnosis
Acute bronchitis differential diagnosis
Bronchiectasis differential diagnosis
Bronchiolitis differential diagnosis
Lung abscess differential diagnosis
Chronic bronchitis differential diagnosis
Pulmonary edema differential diagnosis