Q. How is abdominal aortic aneurysm diagnosed?
Doctor Answer is medically reviewed by SecondMedic medical review team.
Abdominal aortic aneurysm is diagnosed through a combination of medical history assessment, physical examination, and various imaging techniques. Here's how the diagnosis process typically works:
Medical History: Your doctor will begin by taking a detailed medical history, including any symptoms you might be experiencing and any relevant medical conditions you have had in the past. Abdominal aortic aneurysms often do not show symptoms until they become larger or rupture, so this information is crucial.
Physical Examination: During a physical exam, your doctor might palpate (feel) your abdomen to check for a pulsating mass or any abnormal swelling in the aortic area. However, the size and location of the aneurysm can sometimes make it difficult to detect through physical examination alone.
Imaging Tests: To confirm the presence of an abdominal aortic aneurysm and to determine its size, shape, and location, various imaging tests are used:
Ultrasound: This is often the first imaging test performed. It is a non-invasive procedure that uses sound waves to create images of the aorta and surrounding structures. Ultrasound is useful for monitoring the size of the aneurysm over time and assessing its risk of rupture.
CT Scan (Computed Tomography): CT scans provide detailed cross-sectional images of the aorta. Contrast dye may be used to enhance the visibility of the blood vessels. CT scans can accurately measure the size of the aneurysm and help assess the risk of rupture.
MRI (Magnetic Resonance Imaging): MRI uses magnetic fields and radio waves to create detailed images of the body's internal structures. It can provide information similar to a CT scan and is especially useful for patients with contraindications to contrast dye.
Angiography: In some cases, a catheter-based angiography procedure might be used to directly visualize the blood vessels. This involves injecting contrast dye through a catheter inserted into the blood vessels and taking X-ray images. However, angiography is less commonly used nowadays due to the availability of less invasive imaging methods.
Monitoring: If you have a small aneurysm that doesn't require immediate intervention, your doctor may recommend regular monitoring using ultrasound or other imaging methods to track any changes in size and manage the risk of rupture.
Diagnosing an abdominal aortic aneurysm early is crucial for effective management and prevention of potential complications. If you have any risk factors, such as a family history of aneurysms or smoking, or if you're experiencing any concerning symptoms, it's important to consult a healthcare professional for proper evaluation and diagnosis.