Coronary Angiography vs CT Angiography
Both tests look at heart arteries, but they work differently and suit different situations.
Coronary angiography
- Catheter test with dye injected directly into the arteries
- Allows treatment (angioplasty) in the same sitting
- Preferred when a blockage is strongly suspected
CT angiography
- Scan after dye injection into a vein, no catheter in the heart
- Useful to rule out blockages in selected patients
- Cannot treat a blockage
Which one
- Your cardiologist decides based on symptoms, risk and kidney function
- Both use dye, so tell the doctor about kidney problems or allergies
Need advice about your heart? Call or WhatsApp the hospital team on 95116 13365 (Monday to Saturday, 12:00 to 8:00). For chest pain or a suspected heart attack, call 112 or 95116 13365 straight away; emergency services are open 24x7.
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This article is for general information and does not replace medical advice. If you have symptoms or concerns, please see a doctor.