Heart rate's 120. Is everything okay?

Heart rate 120 beats/min

is a normal physiological reaction, usually no problem. If the patient's heart rate 120 beats/min lasts for

a long time, accompanied by palpitation, precordial pain and other symptoms, it is considered that there is a problem, which may be caused by myocarditis, pericardial effusion, coronary atherosclerotic heart disease, etc. Further examination is needed to confirm the diagnosis.