______________is used in both peripheral and coronary surgery to map the lumen of a vessel

In the United States, what is the approximate risk for transfusion transmission of hepatitis B?

a. 1:220,000 b. 1:2 million c. 1:3 million d. Unknown

Placing lead V3 on the right side of the chest is known as:

A. V3L. B. V3P. C. V3R. D. V3C.