Chronic obstructive pulmonary disease (COPD) and asthma may resemble each other clinically. They often can be distinguished by clinical findings but both can occur in the same patient.
middle age or older (> 35 years)
childhood, adolescent or young adult
history of smoking
long term and often moderate to heavy use
usually negative or short term
following exposure to triggering agent
vary from day to day
symptoms at night
awaken with breathlessness
history of significant allergies
family history of asthma
may be present
chronic cough with sputum production
intermittent cough with little sputum
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Purpose: To evaluate a patient with dyspnea for features suggesting chronic obstructive pulmonary disease (COPD) or asthma.
Objective: differential diagnosis and mimics, red flags
ICD-10: J44, J45,