A Patient Arrives at the Emergency Department with a Heart

question 30

Multiple Choice

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

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