1. A medical condition in which the heart beats irregularly, too fast, too slow, or with an abnormal pattern
The patient was diagnosed with a heart rhythm disorder after experiencing palpitations.
O paciente foi diagnosticado com arritmia cardíaca após apresentar palpitações.
2. Any abnormality in the electrical conduction system of the heart that affects the heartbeat
Heart rhythm disorders can range from harmless to life-threatening.
As arritmias cardíacas podem variar de inofensivas a potencialmente fatais.