A thallium stress test is a nuclear imaging test that shows how well blood flows into your heart while youâre exercising or at rest. This test is also called a cardiac or nuclear stress test. During the procedure, a liquid with a small amount of radioactivity called a radioisotope is administered into one of your veins.
Peyronie's disease is a connective tissue disorder that causes scar tissue to form in the penis, and can be painful when the penis bends during erections. List Your Practice go
TIAs are usually caused by a clot that blocks blood flow. Plaque, often called atherosclerosis, can build up in your arteries, narrowing the space blood flows through or causing a clot to develop. Some other conditions that can cause TIAs include: 1  A weakened, bulging heart wall (ventricular aneurysm). 2  A rapid, irregular heartbeat (atrial fibrillation). 3  Narrowing of the main artery in your neck, the carotid artery. 4  Blood clotting problems.