Symptoms that may occur when the pulse rate is lower than about 40 beats per minute include cardiovascular system-related symptoms, neurological symptoms and systemic symptoms.
1. Symptoms related to cardiovascular system: common symptoms include palpitation, chest tightness and shortness of breath.
2. Neurological symptoms: patients often have different degrees of dizziness and drowsiness, which are manifested by repeated yawning and other symptoms, and in severe cases, fainting and transient black haze may occur.
3. Systemic symptoms: patients may have symptoms such as generalized fatigue, weakness, laziness, etc. The pulse rate is lower than 40 beats per minute.
If the pulse rate is lower than 40 beats per minute, if the above symptoms occur, it is recommended to consult a doctor as soon as possible for standardized diagnosis and treatment to avoid delaying the condition.