Tachycardia refers to a fast resting heart rate, usually over 100 beats per minute. Tachycardia can be dangerous, depending on its underlying cause and on how hard the heart has to work. Some people with tachycardia may have no symptoms or complications. However, tachycardia significantly increases the risk of stroke, sudden cardiac arrest, and death.… Read More »
An arrhythmia describes an irregular heartbeat – the heart may beat too fast, too slowly, too early, or irregularly. Arrhythmias occur when the electrical signals to the heart that coordinate heartbeats are not working properly. For instance, some people experience irregular heartbeats, which may feel like a racing heart or fluttering. Many heart arrhythmias are… Read More »
Disclaimer Medical Dictionary is for informational purposes and should not be considered medical advice, diagnosis or treatment recommendation. Read more