NURO 670- EKG, PFT questions with answers

NURO 670- EKG, PFT questions with answers

each lead gives how many seconds on an EKG? - ...,.🔹VERIFIED ANSWER
**✔✔3 seconds


15 large boxes gives you how many seconds? - ...,.🔹VERIFIED ANSWER
**✔✔3 seconds


1 small box - ...,.🔹VERIFIED ANSWER **✔✔0.04 seconds


1 big box=5 small boxes=? seconds - ...,.🔹VERIFIED ANSWER **✔✔0.2
seconds


analysis of heart rate - ...,.🔹VERIFIED ANSWER **✔✔count the number of
qrs in 6 second strip and multiply by 10


analysis of rhythm - ...,.🔹VERIFIED ANSWER **✔✔regularity of R to R
intervals
origin of rhythm
P before each QRS
QRS after each P
ectopy?
pauses?

, PR should be less than ? seconds - ...,.🔹VERIFIED ANSWER **✔✔0.2
seconds


QRS length - ...,.🔹VERIFIED ANSWER **✔✔should be between 0.08-.12
seconds


Normal QT is less than ? - ...,.🔹VERIFIED ANSWER **✔✔450 mS (half the R
to R interval with normal HR)


PR prolonged in what? - ...,.🔹VERIFIED ANSWER **✔✔first degree AV block


PR short in what? - ...,.🔹VERIFIED ANSWER **✔✔reentrant pathways,
WPW


left axis deviation if: - ...,.🔹VERIFIED ANSWER **✔✔lead 1 positive,avF
negative


right axis deviation if: - ...,.🔹VERIFIED ANSWER **✔✔lead 1 negative, avF
positive


LAD can indicate? - ...,.🔹VERIFIED ANSWER **✔✔a LBBB, LVH, LAFB,
inferior wall MI


RAD can indicate? - ...,.🔹VERIFIED ANSWER **✔✔RBBB, RVH, LPFB,
lateral wall MI