elevated heart rate

Is it dangerous if my resting heart rate is suddenly over 100 beats per minute?

1. Introduction A sudden resting heart rate over one hundred beats per minute, known clinically as tachycardia, can be dangerous and indicates an underlying physiological stressor ranging from dehydration and fever to a primary cardiac arrhythmia. A normal resting adult heart rate typically falls between sixty and one hundred beats per minute. When the heart … Read more

What are the early signs of dehydration affecting your heart rate and energy?

1. Introduction Early signs of dehydration affecting your cardiovascular system include a noticeably rapid resting heart rate, lightheadedness upon standing, and profound, systemic lethargy. You should seek medical attention if this fluid depletion leads to severe confusion, a complete lack of urine output for several hours, or an inability to keep oral fluids down due … Read more