The nurse is caring for a patient who is receiving an ECG. The nurse notes that leads I, II, and III differ from one another on the cardiac rhythm strip. Why is this?
A) The view of the electrical current changes in relation to the lead placement.
B) Conduction of the heart differs with lead placement.
C) Electrocardiogram (ECG) equipment has malfunctioned.
D) The circadian rhythm has changed.
Ans: A
Feedback: Each lead offers a different reference point to view the electrical activity of the heart. The lead displays the configuration of electrical activity of the heart.
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The nurse is providing care for a patient with symptoms of impending stroke who is scheduled to have a cerebral angiogram. Which of the following statements would the nurse include when assisting with patient teaching?
a. "This test is done to examine cerebrospinal fluid for signs of bleeding." b. "The angiogram is done to help identify swelling in the brain." c. "This test is designed to detect vascular lesions in the brain." d. "We need to do this to evaluate electrical function of the brain."
A community health nurse has identified the index case. The nurse is involved in which of the following?
A) Contact investigation B) Screening C) Isolation D) Quarantine
What information should the nurse include in teaching parents how to care for a child's gastrostomy tube at home?
a. Never turn the gastrostomy button. b. Clean around the insertion site daily with soap and water. c. Expect some leakage around the button. d. Remove the tube for cleaning once a week.
A patient is admitted to the ED with massive trauma. What nursing intervention will help protect this patient from coagulopathy?
1. Start oxygen immediately. 2. Cover the patient with a blanket. 3. Place a pillow under the patient's feet. 4. Use sterile technique for all invasive procedures.