Pulmonologists are specialized physicians who diagnose and treat diseases and disorders of the respiratory tract. As a respiratory specialist, Dr. Smith may diagnose and treat pulmonary disorders such as asthma, pulmonary fibrosis, lung cancer, lung disease, chronic obstructive pulmonary disease (COPD), emphysema and bronchitis, among a host of others.
Critical care specialists like Dr. Smith provide life-saving care for patients in critical condition. Patients are usually cared for in within intensive care units (ICUs), and may receive life and organ support. Dr. Smith may also work to stabilize patients and perform time-sensitive, potentially life-saving procedures.