On the bus. On the bus, you can pay for a one-way fare in cash. Exact change is required (no change is given). Buses accept $1 bills and most coins (no half-dollars). Transfer is not available when paying in cash on the bus. If you need to transfer, use a Ventra Card or Ticket. More Information. How-To Guide: Buying Fares.
In an emergency situation like a stroke, it's important for doctors to first confirm the type of stroke to provide the appropriate treatment. Imaging tests like a CT scan or MRI can help determine the type of stroke; blood flow tests like cerebral angiography, can help evaluate the size and location of blockages.
A standard stress test shows changes in your heart's electrical activity. It also can show whether your heart is getting enough blood during exercise. Imaging Stress Test. As part of some stress tests, pictures are taken of your heart while you exercise and while youâre at rest. These imaging stress tests can show how well blood is flowing in your heart and how well your heart pumps blood when it beats. One type of imaging stress test involves echocardiography (echo). This test uses sound waves to create a moving picture of your heart. An exercise stress echo can show how well your heart's chambers and valves are working when your heart is under stress.