Answer: Bro where the choices at??
Explanation:
<span>anesthesiologist is missing they need to have them while in surgery because they really help with the succese.
Hope this helps.</span>
Answer:
physical because they inject it into you.
Explanation:
Look at your R-R ratio, depending on the time segment attributed to each square you can then do the math and find time between waves, then find the number of R waves in minute