Its stands for computed tomography pulmonary angiogram
CTPA is a CT scan that looks for blood clots in the lungs
A CT pulmonary angiogram takes pictures of the blood vessels that run from the heart to the lungs
There are two principal approaches for performing a CTPA of high diagnostic quality:
Principle
During the test, a special contrast dye will be injected into a vein in your arm which travels to your pulmonary arteries.
This dye makes the arteries appear bright and white on the scan pictures.
Your doctor can then see if there are any blockages or blood clots.
Why its needed
- aneurysm
- stenosis
- vasospasm
- arteriovenous malformation
- thrombosis
- Blockage
