2021年11月8日 · Atrial rhythms are classified as: Irritable sites in the atria fire very rapidly, between 400-600 bpm. This very rapid pacemaking causes the atria to quiver. The ventricles …

2022年6月27日 · Atrial arrhythmias are irregular heartbeats that cause poor circulation. They occur when the upper chambers of your heart are out of rhythm with the lower chambers. This …

Atrial tachycardia is a type of arrhythmia — an irregular heart rhythm — that causes the upper chambers (atria) of your heart to beat faster than normal. They can beat 100 to 250 beats per …

2014年12月10日 · Several kinds of abnormal heart rhythm (arrhythmia) occur in the heart's upper chambers (the atria). These include atrial fibrillation, atrial flutter, atrial tachycardia, and …

2024年3月8日 · Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm. An irregular heart rhythm is called an arrhythmia. AFib can lead to blood clots in the heart. The …

Atrial arrhythmias are abnormal heart rhythms that originate in the atria. These arrhythmias occur when the normal rhythm is disrupted by premature or irregular electrical impulses originating …

In adults a tachycardia is any heart rate greater than 100 beats per minute. Supraventricular tachycardias may be divided into two distinct groups depending on whether they arise from the …

Arrhythmia is an abnormal rhythm of the heart. The only normal rhythm of the heart is a normal sinus rhythm. In this rhythm, an impulse is generated in the sinoatrial (SA) node, which is …

2024年5月19日 · ECG patterns are generally classified into three categories depending on whether the signal originates from the SA node (i.e, sinus rhythms), the atria (i.e., atrial …

Abnormal electrical impulses in the upper chambers of the heart cause atrial arrhythmia. People with atrial arrhythmias often feel tired and sluggish, and may experience a flutter in their chest …