According to Xizai.com, medical insurance can mainly reimburse the reasonable and necessary medical expenses incurred by the insured due to illness or accidents, and cardiac imaging is within the scope of reimbursement, so as long as the incurred medical expenses exceed the deductible, you can be reimbursed.
A cardiogram is a procedure in which a very thin catheter is inserted into your aorta and a contrast medium is injected into the aortic bloodstream through a small opening in the front of the catheter, so that X-rays can show the blood vessels and the heart on a monitor with the contrast medium flowing along the vessels.