2、表示窦房结、房室交接区激动的形成和传导情况时,绘制梯形图只选用S、S-A和A三行(图5-15),若还伴有房室交接或室性异位激动,则仍需绘制S、S-A、A、A-V和V五行(图5-16)。 图5-15为连续记录Ⅱ导联,示窦性P波,ECG表现为2∶1窦房阻滞和3∶2文氏型窦房阻滞,由于是单纯窦房传导障碍,故画出S、S-A...
ECG interpretation does have its own limitations particularly in patients who have undergone prior atrial ablations or in patients with structural heart disease. The most important differentiation is between cavotricuspid isthmus dependent flutter and atypical atrial flutter as well as predict whether the...
Atrial Flutter ECG Heart Rate: greater than 100 per minute. Rhythm: irregular Pacemaker Site: multiple ectopic atrial pacemaker sites. P-waves: absent, but replaced with multiple “F” waves . QRS complex. Normal. Atrial Flutter Signs and Symptoms People who have atrial flutter are likely to h...
The ECG is helpful in the diagnosis of atrial flutter. In typical atrial flutter, the flutter waves are seen in the inferior leads II, III, and aVF, as well as in lead V1 (see Fig. 38.3). Flutter waves should have the same axis and cycle length often resembling a sawtooth pattern. ...
If your doctor thinks you have atrial flutter based on your symptoms, you’ll undergo tests to confirm that as well as rule out other arrhythmias, such as atrial fibrillation. These tests can tell a lot about what’s happening with your heart: Electrocardiogram (EKG or ECG). In this quick...
The rhythm annotations of types are atrial fibrillation (AF), atrial flutter (AFL), atrioventricular junctional rhythm (J), and other rhythms (N)21. In this study, two ECG recordings of AFDB (records 00735 and records 03665) were excluded because they are unavailable. The MITDB with 48 ...
We present a case of a patient with a Parkinsonian tremor at a frequency of 300 cycles/min that masqueraded as atrial flutter on the limb leads of a 12-lead ECG. He had presented with a respiratory tract infection and his bedside rhythm monitor appeared to show atrial flutter. This ...
Atrial flutter is not as common as atrial fibrillation. The use of anti-thrombotic, antiarrhythmic and heart rate slowing drugs is similar for atrial flutter and atrial fibrillation. Electrical cardioversion is often used to restore sinus rhythm in atrial flutter, and catheter ablation may be useful...
In this study, we investigated the use of spectral entropy (SE) and spectral peak detection to distinguish fibrillatory from flutter activity in the QRST-subtracted ECG. In a set of 4,172 cardiologist-overread EGGs, a computerized ECG analysis program (12SL MAC-Rhythm, GE-Marquette Medical ...
心房扑动 (atrial flutter,AF) 病因: 阵发性者可见于无器质性心脏病者; 持续性房扑可见于: 1. 风心病、冠心病、高心、心肌病; 2. 肺栓塞..