Laboratory studies:
No specific laboratory studies are needed to diagnose patientswith pectus excavatum. Most children with this condition arehealthy.
Imaging Studies:
Chest radiograph without any information on intrathoracicpathologies associated severe pulmonary and mediastinalcompression. Show degree of clogging of the sternum in relation to the posterior column. But without information on the issuebecause it involved the coast affected cartilage is not visible onstandard radiography. Allows assessment of spine and associatedscoliosis, a condition common in these patients.
CT scanning is useful to measure the Haller index, which is the result of the fraction between the anteroposterior and transversediameter of the chest. An index above 3. 2 is correlated withsevere deformation which may require surgery. Scanning can provide useful information on thoracic asymmetry in these patients.Present their card. Bring information to help plan the surgery andthe volume and left asymmetrical hemitoracelui lotus. Manypatients experience a degree of hypoplasia that causes adecrease hemitorace other. This mismatch can be corrected by surgery.
Echocardiography assesses cardiac function and cardiacmorphology, with noninvasive methods such as echocardiography.If the patient is asymptomatic echocardiography is not required for evaluation. If Marfan syndrome is suspected should be performedechocardiography to assess aortic root dilatation.
Respiratory tests: lung volumes, vcentilatia and exercise tolerancecan be assessed by standard respiratory tests. Changes includeshortness of breath, decreased lung volume and intolerance basedon effort.
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