Final answer:
When a patient is found to have a thoracic aneurysm or dissection, it is important to screen immediate family members, individuals with similar symptoms or risk factors, and patients with certain underlying conditions.
Step-by-step explanation:
When a patient is found to have a thoracic aneurysm or dissection, it is important to screen immediate family members for any genetic predisposition to the condition. This is because thoracic aneurysms and dissections can have a genetic component, and screening family members can help identify individuals who may be at risk.
In addition, other individuals who may need to be screened include individuals who have similar symptoms or risk factors as the patient, such as a history of smoking or high blood pressure.
Finally, regular screenings may be recommended for patients with certain underlying conditions that are known to be associated with thoracic aneurysms and dissections, such as Marfan syndrome or Ehlers-Danlos syndrome.