Causes of tachycardia, Tachycardia Causes
Tachycardia refers to a rapid heart rate, typically defined as a heart rate above 100 beats per minute in adults. There are several potential causes of tachycardia, which can be broadly classified into two categories: physiological (normal) and pathological (abnormal) causes. Here are some common causes: Physiological causes: Physical activity or exercise: During physical exertion, the heart rate increases to meet the body's increased oxygen demands. Emotional or psychological stress: Strong emotions, anxiety, fear, or stress can trigger a temporary increase in heart rate. Fever: Elevated body temperature associated with fever can lead to an increased heart rate. Stimulant use: Consumption of substances like caffeine, nicotine, certain medications (e.g., decongestants), or illicit drugs (e.g., cocaine, amphetamines) can cause tachycardia. Pathological causes: Heart-related conditions: Various heart disorders can cause tachycardia, such as atrial fibrillation, atrial flutter, suprav...