While assessing vital signs the nurse determines the regularity of a patient's cardiac rhythm. Which cardiac cycle measurement will the nurse use regularity to calculate?
a. Heart rate
b. ST segment
c. P-R interval
d. QRS interval
ANS: A
After the rhythm regularity is determined, the heart rate is counted. For regular rhythms, use the method that is very accurate by counting the number of small boxes between two R waves and divide that number into 1500. This gives the bpm, because 1500 small boxes equal 1 minute. B. C. D. Regularity is not used to calculate ST segment, P-R interval, or QRS interval.
You might also like to view...
A patient is being treated at a hospital in Africa for multidrug-resistant falciparum malaria. The patient is to be given artemether (Artenam) and artensunate
Which additional condition that the patient has would warrant another choice of medication? a. High, transient fever b. High concentrations of iron in the blood c. Pulse of 103 d. First-degree heart block
The Kübler-Ross stages of grief and loss typically occur in individuals who are close to the person who has died or is expected to die. These stages have also been identified and used for a multiplicity of life's situations
The stages are in random order. What is the correct sequence for these stages? 1 . Denial 2 . Anger 3 . Bargaining 4 . Depression 5 . Acceptance 6 . Detachment A) 6, 1, 2, 3, 4, 5 B) 4, 3, 5, 2, 1, 6 C) 2, 1, 3, 4, 5, 6 D) 1, 2, 3, 4, 5, 6
She could not believe it, but she had lost her job, her last paycheck was spent, her landlord had thrown her clothes out on the lawn, and she found herself living in her car and
visiting fast food restaurants to use the restroom facilities. As she washes up at a gas station in preparation for a job interview, how would she classify her homelessness? A. Chronic B. Episodic C. Not really homelessness D. Temporary
As a nurse is inspecting the nails of a client with chronic hypoxia from pulmonary disease, he notices enlargements of the ends of the fingers and angles of the nail base greater than a straight line (exceeding 180 degrees)
The nurse interprets these findings as: a. An expected finding. b. Koilonychia (spoon nail). c. Clubbing. d. Leukonychia.