What condition can exacerbate atrial fibrillation symptoms?

Hyperthyroidism can exacerbate atrial fibrillation symptoms due to the increased levels of thyroid hormones, which accelerate the metabolic rate and enhance cardiac work. In hyperthyroidism, the elevated thyroid hormones lead to increased heart rate and heightened excitability of the cardiac tissue, making it more susceptible to arrhythmias like atrial fibrillation. The rapid heart rate, palpitations, and increased demand on the heart can worsen the symptoms of a patient already experiencing atrial fibrillation.

The other conditions mentioned do have cardiovascular implications, but they do not directly increase the heart rate and metabolic demand in the same way that hyperthyroidism does. Hypothyroidism typically leads to a slower heart rate and may even stabilize heart rhythm. Diabetes can lead to various cardiovascular issues over time, but it does not have the same acute impact on atrial fibrillation. Gout primarily affects joint health and does not directly influence heart rhythm, making them less relevant in this context compared to hyperthyroidism.