A driver with an abnormal aortic aneurysm can be certified:

Choosing to certify a driver with an aortic aneurysm between 4 and 5 cm, provided they are asymptomatic and have received a recommendation from a cardiovascular specialist, reflects the complex considerations involved in managing patients with this condition. The reason this option is correct lies in the standard practice guidelines for commercial drivers with aortic aneurysms.

When the aneurysm is between 4 and 5 cm, the risk of complications increases, but if the individual is asymptomatic, it indicates that they are not currently experiencing any adverse effects from the condition. The requirement for a recommendation from a cardiovascular specialist reinforces the need for professional medical oversight and ensures that the driver's condition is being managed appropriately. This approach helps ensure safety on the road while allowing individuals to continue driving under monitored circumstances.

In situations involving lower aneurysm sizes or those who have undergone surgical repair, different criteria apply, such as a 2-year certification for those under 4 cm or a stipulated waiting period after surgery. However, the specific focus on the 4 to 5 cm range with asymptomatic status and specialist input highlights a tailored approach to driver certification, balancing safety and health management.