A patient arrives at the emergency department with a heart rate that is 58 and irregular. After a diagnostic workup, the patient is found to have a cardiac conduction problem. The nurse caring for this patient knows this cardiac disease occurs in patients
who have which abnormalities?
a.
An increased oxygen level in cardiac muscle cells
b.
A decreased oxygen level in cardiac muscle cells
c.
Low level of vitamin B complex
d.
High level of vitamin B complex
ANS: B
Irregular heart action occurs when the cells in the heart's conduction system do not have enough oxygen, when they are destroyed or damaged through disease, or when electrolytes are not present in the right balance.
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Observers conducting research via the ethnonursing method should interact with the interviewee as
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