When your heart is beating too fast, it may not pump enough blood to the rest of your body. This can starve your organs and tissues of oxygen and can cause the following tachycardia-related signs and symptoms: Shortness of breath. Lightheadedness.
What does higher pulse rate indicate?
Heart rates that are consistently above 100, even when the person is sitting quietly, can sometimes be caused by an abnormal heart rhythm. A high heart rate can also mean the heart muscle is weakened by a virus or some other problem that forces it to beat more often to pump enough blood to the rest of the body.
Is it bad if your heart rate increases?
When heart rate or rhythm changes are more serious This in turn can increase your risk for having a stroke or a blood clot in your lungs (pulmonary embolism). People who have heart disease, heart failure, or a history of heart attack should be more concerned with any changes in their usual heart rhythm or rate.
Why has my heart rate suddenly increased?
Tachycardia Tachycardia occurs when your heart suddenly starts beating very fast. If it happens as a result of exercise, excitement, or fever, its usually not a cause for concern and doesnt need treatment. But one type of arrhythmia called paroxysmal supraventricular tachycardia (PSVT) is more dangerous.
Can stress make your heart rate go up?
A stressful situation sets off a chain of events. Your body releases adrenaline, a hormone that temporarily causes your breathing and heart rate to speed up and your blood pressure to rise.