1An irregular heartbeat or arrhythmia: a medical condition in which the heart's normal rhythm is disturbed. Types and treatments vary depending on the condition.
検査で軽い不整脈が見つかったので、経過観察になった。
A mild arrhythmia was found in the tests, so he is under observation.
強い動悸やめまいが続く場合は不整脈の疑いがあるので医師に相談してください。
If you continue to have strong palpitations or dizziness, you may have an arrhythmia, so consult a doctor.