Normal sinus rhythm is characterized by all of the following, EXCEPT:
A) minimal variation between the R-R intervals.
B) QRS complexes that are less than 140 milliseconds.
C) consistent PR intervals and upright P waves.
D) a consistent heart rate between 60 and 100 beats/min.
Answer: B) QRS complexes that are less than 140 milliseconds.
You might also like to view...
A ________ letter-style format is spaced with all lines flush with the left margin
a. block b. simplified c. modified block d. modified block with indented paragraphs
You are assessing a 17-year-old male patient with a burn on the lateral aspect of his thigh. Which of the following guidelines is most helpful when estimating the percentage of total body surface area involved?
A) The rule of palms B) The Parkland formula C) The rule of nines D) The modified pediatric rule of nines
A major source of folate is from:
A. milk B. carrots C. dark green leafy vegetables D. beef liver
The _____________________________________ is an association for organizations and individuals who provide health care and supportive services on an outreach basis to patients in their homes
Fill in the blank(s) with correct word