In evaluating the electrocardiogram (ECG) in a client with acidosis, the nurse correlates which ECG change with effectiveness of therapy?
a. Small U-waves present after each complex
b. Heart rate decreased to 62 beats/min
c. T-waves present, normal height
d. P-wave preceding the QRS complex
C
Acidosis and accompanying hyperkalemia affect cardiac conduction, inducing tall T-waves, widened QRS complexes, and prolonged PR intervals. When T-waves return to a height of less than 3 mm, acidosis and hyperkalemia are resolving.
You might also like to view...
Each of the following patients requires sertraline therapy. Which patient would require the closest monitoring by the nurse?
A) A 32-year-old man who is obese B) A 38-year-old woman who has diabetes C) An 11-year-old child with no other illnesses D) A 45-year-old man with liver impairment
A nurse instructing a group of parents about safety rules for infants and young children should instruct the parents to:
a. remove plants from the child's reach. b. provide the infant with a pillow at night. c. use a plastic covering on the infant's mattress. d. keep the crib sides up and set the mattress at the highest setting.
A client requires a blood transfusion for anemia and informs the nurse that he refuses because he doesn't want to contract acquired immune deficiency syndrome (AIDS). What is the best response by the nurse?
A) "It's always a possibility." B) "You don't want to die, do you?" C) "The blood is screened very carefully; the risk is 1 in 2,000,000. D) "If you don't have the transfusion, you are taking a greater risk."
The client thought to have a problem with the pituitary gland is given 25 units of regular insulin. A short time later, blood analysis reveals elevated levels of growth hormone and adrenocorticotropic hormone (ACTH)
What is the nurse's interpretation of this finding? A. The client has pituitary hypofunction. B. The client has pituitary hyperfunction. C. The client has pituitary-induced diabetes mellitus. D. The client has a normal pituitary response to insulin.