Table 2.

Differential diagnosis in CAP.

If patient has concurrent chest pain, consider the following:

(i) MI

(ii) Tension pneumothorax

(iii) Esophageal rupture

(iv) Pericardial effusion

(v) Aortic dissection

(vi) Aortic aneurysm

(vii) Pulmonary embolus

(viii) Aspiration/pneumonitis

(ix) Atelectasis

(x) RSV/bronchiolitis

(xi) Acute bronchitis

(xii) COPD

(xiii) Foreign body aspiration

(xiv) Fungal pneumonia

(xv) Lung abscess

(xvi) PCP

(xvii) Respiratory failure

(xviii) Viral pneumonia

(xix) Neoplasm

(xx) Asthma

MI, myocardial infarction; RSV, respiratory syncytial virus; COPD, chronic obstructive pulmonary disease; PCP, Pneumocystis jirovecii pneumonia.