Tachycardia | Fast Heart RateAssociation, American Heart
Tachycardiais a fast heart rate -- usually more than 100 beats per minute in an adult. There are several kinds, but one that may cause shortness of breath is SVT, or atrialtachycardia. In SVT, the heart rate speeds up because the heart’s electrical signals don’t fire properly. People...
Supraventricular tachycardia (SVT or atrial tachycardia) is a fast heart rate that starts in the cardiac upper chambers (Table 5.25). Some forms are called paroxysmal atrial tachycardia (PAT) or paroxysmal supraventricular tachycardia (PSVT). The rapid heart beat does not allow enough time ...
Tachycardia (fast heart rate) is when your heart rate is 100 beats per minute or more at rest. It is normal for the heart rate to increase with activity or exercise and then decrease when you stop. A fast heart rate at rest may be caused by strong emotions, fever, activity, some ...
Ketamine, atropine, or glycopyrrolate injected IV frequently cause a fast heart rate in dogs and cats that is close to but does not usually achieve the strict definition of tachycardia. Hypoxaemia, and sometimes hypercarbia, cause increased heart rates. Excessively increased heart rate does not usua...
You may have no other symptoms with your fast heart rate, or you may have any of the following:Dizziness or lightheadedness Chest pain Fluttering or pounding heart Shortness of breathHow is a fast heart rate treated?You may need treatment if your fast heart rate continues or happens often....
Exercise, mental or emotional stress, and some illnesses can cause your heart rate to rise normally, above 100 beats per minute. When your heart rate is too fast, however, or occurs without cause, or is too fast and irregular, it is called a tachyarrhythmia. The different types of ...
16. Objective To explore the variety and its clinical significance of the heart rate turbulence in the ventricular tachycardia patients. 目的探讨心率震荡在室性心动过速患者中的变化及其临床意义。 17. tachycardia是什么意思 17. Tachycardia. Your heart's beating too fast. ...
Arrhythmia’s can cause an abnormal rhythm to this rate because of a change in the heart’s electrical system. These arrhythmias can either cause the heart to beat too slowly, bradycardia, or tachycardia, where the heart beats too fast. Supraventricular Tachycardia (SVT) is one specific form ...
With tachycardia, the heart beats more than 100 times per minute and can beat as fast as 400 beats per minute for no specific reason. At this rate, the heart is not able to pump blood effectively to the body and brain. Talk to a doctor to discuss causes, symptoms, risk factors, and...