Many With Common Irregular Heartbeat Unaware of Stroke Risk

                             

Nearly one-third of Americans newly diagnosed with the common heart rhythm disorder atrial fibrillation (AF) don't realize the condition puts them at increased risk for stroke, a new study finds.

The irregular heartbeat in AF patients can cause blood to pool, which can cause blood clots that can lead to stroke, researchers explained.

The study revealed misconceptions some patients had about atrial fibrillation.

"This helps us see gaps in knowledge and understanding," said lead author Emily O'Brien, from the Clinical Research Institute at Duke University in Durham, N.C.

O'Brien and her team surveyed 1,000 people diagnosed with atrial fibrillation in the past six months. Their median age was 69. About 63 percent strongly agreed that stroke is a major risk factor of atrial fibrillation. However, around 32 percent believed that heart attack is a major risk factor of AF, which is incorrect, the researchers reported.

Sixty percent of the patients said they understood the role of blood thinners to manage their disorder. Yet only a minority said they understood their options for blood thinners (30 percent), drugs that control heart rhythm (16 percent) and ablation, a procedure to destroy tissue in the heart causing abnormal rhythm (12 percent).

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