What are the roles of pulmonary function and cardiology tests in the workup of pectus excavatum?

Updated: Oct 30, 2018
  • Author: Andre Hebra, MD; Chief Editor: Girish D Sharma, MD, FCCP, FAAP  more...
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Answer

Pulmonary volumes, ventilation, and exercise tolerance can be easily evaluated in a pulmonary laboratory with a standard pulmonary function test (PFT). Findings in patients with pectus excavatum are described in History. A progressive (stress) exercise test may help detect abnormalities in exercise response. Most patients have abnormal stress PFT findings.

Echocardiography, ECG, PFTs, and CBC count are not mandatory and are obtained only if indicated based on the medical history and physical examination findings. Mitral valve prolapse is not unusual in patients with pectus excavatum. The PFT results may show a slight decrease in pulmonary volumes and reserve. For more details about cardiopulmonary assessment, see History.


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