cardiac investigations

Question 1

What does cardiac catheterisation (coronary angiography) involve?

Answer 1

Introducing (flexible) catheters to the heart and coronary vessels via the femoral/radial artery
They can detect pressure changes and inject dye for imaging of arteries, producing an angiogram

Question 2

How does CT coronary angiography differ from normal coronary angiography?

Answer 2

Inject dye to light up arteries then use XR to create CT image (no catheters inserted)
Less-invasive but do expose to radiation

Question 3

Echocardiography is a form of what?

Answer 3

Ultrasound