Radiology·Radiology
CT pulmonary angiogram
Informed by recognized medical guidance
Explore the Ruqelo ecosystem
AI clinical productivity tools for healthcare professionals.
Ruqelo ClinicalPatient-friendly health education and guidance.
Premium Arabic speaking practice with roleplay, audio, and Companion.
Ruqelo ArabicInformed by recognized medical guidance
A CT pulmonary angiogram (CTPA) is a special type of CT scan that takes detailed pictures of the blood vessels in your lungs. It uses a contrast dye (a special liquid) injected into a vein to make the vessels show up clearly. Doctors usually order this test to check for blood clots in the lungs, a condition called pulmonary embolism (PE).
Key facts
Yes, CTPA is a common test performed in hospitals and radiology departments when a doctor suspects a blood clot in the lungs.
CTPA is used for people of any age who have symptoms that might be caused by a pulmonary embolism, such as sudden shortness of breath or chest pain. It is especially important for those with risk factors like recent surgery, prolonged bed rest, or a history of blood clots.
A CT pulmonary angiogram is done in a hospital radiology department. A doctor or radiologist will review your symptoms and medical history first. The test itself takes about 10 to 15 minutes. You will lie on a table that slides through the CT scanner. A small tube (IV) will be placed in your arm to inject the contrast dye. The machine will take several X-ray images while you hold your breath for a few seconds.
Treatment for a pulmonary embolism (if found) focuses on preventing the clot from getting bigger and stopping new clots from forming. The most common treatment involves medicines that thin the blood (anticoagulants). Your doctor will decide the best approach based on the size of the clot and your overall health.
The main medical treatment is anticoagulant medication (blood thinners) that you take by mouth or as an injection. These medicines reduce the blood's ability to clot. Treatment usually lasts at least 3 to 6 months, sometimes longer. In severe cases, doctors may use a medicine that dissolves clots directly (thrombolytics) or place a filter in a large vein to catch future clots.
If you have had a pulmonary embolism, your daily life may change a bit while you are on blood thinners. You will need to be careful to avoid cuts and bruises, and let all healthcare providers know you are on this medication. Most people return to normal activities within a few weeks, but it is important to follow your doctor's advice about activity levels.
You can eat a normal healthy diet, but if you are on blood thinners, keep the amount of vitamin K-rich foods (like spinach, kale, broccoli) consistent week to week, as large changes can affect how well the medicine works. Light to moderate exercise like walking or swimming is usually safe, but check with your doctor first.
Some pulmonary embolisms can be prevented. If you are at high risk (after surgery or during long travel), your doctor may recommend blood thinners, compression stockings, or frequent movement. Staying active, maintaining a healthy weight, and not smoking also reduce your risk.
The outlook for pulmonary embolism is very good with prompt diagnosis and treatment. Most people recover fully and can return to their normal lives. The risk of another clot decreases over time, especially if you follow your treatment plan and manage risk factors.
External links open third-party websites. Ruqelo Health is not responsible for external content. Listing an organisation does not imply endorsement.
Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 14, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
Before the test, you may be asked not to eat or drink for a few hours. Let the team know if you have any allergies to contrast dye or kidney problems. You will lie still while the table moves through the scanner. You might feel a warm sensation or a metallic taste when the dye is injected, but this is normal. After the test, you can usually go back to your normal activities. Drink plenty of water to help flush the dye out of your system.
Surgery is rarely needed. In very rare cases where a massive pulmonary embolism causes severe instability, a surgeon may remove the clot through a procedure called embolectomy.
Having a blood clot can be scary. Many people feel anxious or worried about another clot happening. These feelings are normal. Talk to your healthcare team about your concerns – they can help you understand your risk and recovery.