2021年12月6日 · Supraventricular tachycardia (SVT) is a very rapid heartbeat (usually between 151 and 250 beats per minute, or BPM) and can cause a number of serious health issues....

心电图第二導程有PSVT，心率約180. 症状: 心悸、頭暈、盜汗、呼吸困难及胸痛 [1] 类型: 心房顫動、陣發性室上性心搏過速（PSVT）、心房撲動、沃夫巴金森懷特症候群 [2] 病因: 折返性 （ 英语 ： reentrant dysrhythmia ） 或是 自發性心肌 （ 英语 ： Cardiac muscle automaticity ...

2024年10月8日 · The term supraventricular tachycardia (SVT) refers to any tachydysrhythmia arising from above the level of the Bundle of His, and encompasses regular atrial, irregular atrial, and regular atrioventricular tachycardias

2023年6月30日 · Anything over 100 is considered tachycardia. SVT rates are usually about 150 to 250 beats a minute. Some people feel an irregular heartbeat as well as a fast one. You may also feel tightness in...

2024年3月7日 · Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia. It's a very fast or erratic heartbeat that affects the heart's upper chambers. SVT also is called paroxysmal supraventricular tachycardia. The typical heart beats about 60 …

SVT (supraventricular tachycardia) is a common kind of arrhythmia (abnormal heart rhythm). With SVT, your heartbeat is too fast and starts in your heart’s upper chambers. You may or may not have symptoms like chest pain or dizziness.

svt 是一种 异常心律 。发生 svt 时，您的心率会突然变得很快，然后恢复正常。 阵发性室上性心动过速是一种突然发生又突然停止的有规则但快速的心率 . 您可能感到心跳飞快或怦怦直跳、气短并伴有胸痛. 阵发性室上性心动过速令人感觉不适，但通常不危险

2025年1月5日 · The atrial rate is usually 100-180 b/m (but can range up to 250 b/m). If the heart rate is <100 b/m, this would be termed an ectopic atrial focus. This is often transient and more benign. Rhythm is regular after the first few complexes (there may be a warm-up period).

2011年8月23日 · Origin (SVT/VT) P-wave Effect of adenosine; Narrow complex (QRS<0.12) Sinustachycardia: regular 100-180 bpm 100-180 bpm sinusnode (SVT) ... 180-250 bpm 180-250 bpm AV-node (SVT) in QRS complex (R') stops Atrial Tachycardia: regular 120-250 bpm 75-200 bpm atria precedes QRS, p wave differs from sinus-p

2024年7月2日 · Supraventricular tachycardia is a condition where the heartbeat is abnormally fast. It can happen to anyone at any age and often occurs for the first time in children or young adults. In most cases, supraventricular tachycardia is harmless. It doesn’t usually last long and can settle without treatment.