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.
Diagnostic Tests The following tests are common for diagnosing carotid artery disease. If you have symptoms of a mini-stroke or stroke, your doctor may use other tests as well. Carotid Ultrasound Carotid ultrasound (also called sonography) is the most common test for diagnosing carotid artery disease.