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.
Tests That Diagnose Heart Disease. When you have plaque buildup in your carotid arteries, you are at risk for a stroke if bits of the plaque break off into the bloodstream. A carotid artery ultrasound is a quick, noninvasive test that helps your doctor take a look at the structure of your carotid arteries.A Doppler ultrasound is a specialized version of the carotid artery ultrasound that shows blood flow.ou may need a carotid artery ultrasound if: 1  You recently had a stroke or mini-stroke. 2  Your doctor listened to your carotid artery with a stethoscope and heard a sound he wants to investigate. 3  There is the possibility of a blockage or damage to the carotid artery.