The causes of increased heart rate include physiologic causes, pharmacologic factors, cardiogenic diseases, and non-cardiogenic diseases.
1. Physiological factors: Increased heart rate may occur after exercise, emotional excitement, drinking alcohol, smoking, drinking strong tea and coffee, pregnancy, rapid change of body position and other physiological states. In addition, age is also a factor, children’s heart rate is generally faster than adults.
2. Pharmacologic factors: drugs such as ephedrine, epinephrine, atropine, caffeine, thyroxine, etc. may lead to increased heart rate.
3. Cardiac diseases: Arrhythmia, acute myocardial infarction, myocarditis and other cardiomyopathies, heart valve disease, heart failure in the early stages and other cardiac diseases may lead to increased heart rate.
4. Non-cardiac diseases: non-cardiac diseases such as fever, anemia, hypoxia, infection, hyperthyroidism, pain, neurosis, etc. may also lead to tachycardia.
When an unexplained increase in heart rate occurs, it is necessary to consult a doctor in a timely manner to clarify the cause under the guidance of the doctor and rational treatment.