The 1L-ECG as assessed by cardiologists had 90.9 and 93.5 percent sensitivity and specificity, respectively, for any rhythm abnormality and 46.4 and 100 percent, respectively, for any conduction abnormality. The AF detection algorithm had 87.0 and 97.9 percent sensitivity and specificity, respectively. The sensitivity and specificity for AF/AFL were both 100 percent with the 1L-ECG as assessed by cardiologists. When excluding an extremely poor signal quality ECG recording in the test data, a mean Acc of 84.85 is achieved, with the corresponding Se, Sp, and AUC values. It is often used synonymously with AV nodal re-entry tachycardia (AVNRT), a form of SVT. The researchers found that in 23, 44, and 28 patients, the 12L-ECG diagnosed AF/AFL, any rhythm abnormality, and any conduction abnormality, respectively. 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. A total of 214 patients were included from 10 general practices. This study investigates the use of atrioventricular (AV) synchronization as an important diagnostic criterion for atrial fibrillation and flutter (AF) using. Atrial flutter and AFib are the two most common types of heart rhythm disturbances. However, the way they affect the rhythm differs. Blinded cardiologists assessed all 1L-ECG recordings and the 12L-ECG recordings in random order. Since AFib symptoms and discomforts can be so subjective, its not uncommon for AFib to be mistaken for these other health problems: Tachycardia and other. FAQ Summary Atrial flutter and atrial fibrillation (AFib) both affect your heart rhythm. Patients held a smartphone with connected 1L-ECG while the 12L-ECG was being performed. Himmelreich, M.D., from the University of Amsterdam, and colleagues recruited consecutive patients who underwent 12-lead ECG (12L-ECG) for any nonacute indication to validate a smartphone-operated device with an integrated algorithm for AF.
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