An arrhythmia is a disruption in the regular beating of a heart. Though arrhythmias are very common and are not always a cause...
An irregular heartbeat is any abnormality in a regular heartbeat. This can include a heartbeat that is too fast, called tachyardia, a heartbeat that... Learn more about this topic: Arrhythmia Definition, Types & ECG Detection from
A regular heartbeat, or what your doctor will call normal sinus rhythm, is a “lub-dub, lub-dub” sound. Your heart contracts and relaxes to move blood from the upper chambers (called the atria) to the lower ones (the ventricles) and out to your body. Atrial fibrillation symptoms vs. ...
That said, if it's coupled with worrisome symptoms, a low heart rate may signal a problem. " A low heart rate in somebody who is having dizziness and lightheadedness may indicate that they have an abnormality that needs to be looked at," Bauman said. For example, bradycardia is a condi...
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This seemingly unsolvable loop is at the heart of insomnia, the world's most common sleep disorder.这个看似无法解决的死循环是失眠的核心,世界上最常见的睡眠问题。 Almost anything can cause the occasional restless night - a snoring partner, physical pain, or emotional distress.几乎任何事情都可以造成...
It is used to check for an abnormal heart rhythm caused by MR. A stress test helps healthcare providers see how well your mitral valve works under stress. Healthcare providers may place stress on your mitral valve with exercise or medicine. Cardiac catheterization is a procedure to check how...
When a heart beats too fast, too slow or with an irregular rhythm it is known as an arrhythmia. There are three classifications of arrhythmias: A heartbeat that is too fast is called tachycardia. A heartbeat that’s too slow is called bradycardia, and premature heartbeats are extra beats....
Atrial fibrillation (Afib) is an abnormal heart rhythm caused by erratic electrical signals in the heart. Atrial fibrillation is a progressive disease that worsens.
It's a must for us to learn to sort waste. It is the little things we do today that have a profound influence on the planet. Only if all of us make joint efforts can we make a big difference and have a good environment. 2.垃圾...