Difficulty: Medium
Average Score: 72%
Simulated
A nurse is reviewing laboratory results for a client who has atrial fibrillation. Which of the following blood test results should the nurse understand can be a possible cause of atrial fibrillation?
Correct answer
B
Rationale
A common cause of atrial fibrillation is hyperthyroidism, which is characterized by an overactive thyroid gland and often presents with elevated TSH levels. Thyroid hormones play a significant role in regulating heart rate and rhythm. Excess thyroid hormone can lead to increased heart rate and irregular heart rhythms, including atrial fibrillation.