A 53-Year-Old Man Comes to the Emergency Department Due to Progressive

A 53-year-old man comes to the emergency department due to progressive shortness of breath and nonproductive cough.  Medical history is significant for long-standing hypertension and type 2 diabetes mellitus, for which he takes lisinopril and metformin.  The patient has no drug allergies.  Blood pressure is 160/100 mm Hg, pulse is 110/min, and respirations are 20/min.  On physical examination, heart sounds are regular.  Lung examination reveals decreased tactile fremitus over the lower right lung along with dullness to percussion.  Which of the following is the most likely diagnosis?

A) Bronchospasm
B) Emphysema
C) Lobar consolidation
D) Pericardial effusion
E) Pleural effusion
F) Pneumothorax
G) Pulmonary edema

Correct Answer:

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