A patient is diagnosed with atrial fibrillation. Which characteristics of this rhythm should the nurse expect to observe on this patient's cardiac monitor? (Select all that apply.)
a. Smooth P waves
b. Irregular rhythm
c. F waves with sawtooth pattern
d. PR interval 0.12 to 0.20 second
e. QRS complex not more than 0.10 second
f. Abnormal beat alternates with normal beat in a 1:1 ratio
ANS: B, E
Atrial fibrillation is an irregular rhythm with a normal QRS interval. A. P waves are absent. C. F waves are seen in atrial flutter. D. There is no PR as P waves are absent. F. Premature ventricular contractions that occur every other beat are referred to as bigeminy.
You might also like to view...
Around half of all practical/vocational nursing school graduates pass the NCLEX-PN® on their first attempt
Indicate whether the statement is true or false
Before administering a nonselective adrenergic blocker, what should the nurse assess?
A) Pulse and blood pressure B) Bowel sounds and appetite C) Serum albumin level D) Serum sodium and potassium levels
A patient in Russell's traction with a Pearson attachment for a fracture of the tibia complains of intense pain at the fracture site. The nurse assesses a temperature of 102° F and increased swel-ling at the fracture site. These assessment findings suggest:
a. osteomyelitis. b. fat embolism. c. traction misalignment. d. nonunion of the fracture.
Effect size for adjusted group differences in ANCOVA is reflected in which of these indexes?
a. R2 b. eta2 c. Partial eta2 d. Beta weights