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Atrial Ta wave tracings Method

4 or right 5j and short,[link widoczny dla zalogowanych], fat person, or left to right 3 3. A wave elbow room and A-aTa time, no significant difference between the intercostal. 3. Breath holding and exercise of Ta A wave of spread participants actively suppress breathing, breath-hold 30s or so,[link widoczny dla zalogowanych], average heart rate from the 76 ± 40: / min down to 68 ± 30: / min (n = l3), A Phi ranging from 75 .4 ± 3.1V down to 65.2 ± 1.5gV,[link widoczny dla zalogowanych], Ta Phi dropped from the 33.0 ± 2.1V 29.4 ± 1.7f5v (p <0.05). For registered participants stairs strenuous exercise immediately after the experiment, the heart rate by the 76 ± 4 times / min to g2 ± 7 times / min (n = 13), A wave amplitude wave and Ta respectively 75.4 ± 3 .1, to 86.3 ± 5.0 # V and from 33.0 ± 2.1. uV to 40.1 ± 3.2 # V (p <O.05). 4. A wave abnormal people, Ta wave morphology in the above-mentioned conditions, the tracings of the heart in patients with lesions (Liu × ×, male, 21 years old) right 4 ECG. Results on the chest lead ECG, A wave front without SNe, A wave is a negative wave, Ta crossing is positive wave, A-Ta and normal contrast, and Ta / A ratio as high as 150. Description of these characteristics, the honey of the atrial A wave of non-wave and Ta wave, but the atrial Verapamil, this and the clinical diagnosis (multiple atrial premature beats) match. Discussion In this study, chest leads recorded normal Ta wave, and in guinea pig isolated heart of the Ta wave is quite similar. Ta wave in the A wave after wave the opposite direction of A, A-phase when the wave is positive, Ta wave is negative phase, showing a negative cup jA phase transition when, Ta wave is positive phase, was an umbrella} Ta wave, general lower limb symmetry, error-free folding and nodules. Sympathetic nerve activity when the heart rate faster, A wave, Ta} and the wave amplitude increased heart rate vagus nerve, then the amplitude decreased. Ta These features of transition and literatures. Hiroshi determination of Ta / A [: ~ is 38, the results to the right 5 right 2 were 30.5,32.9,39.2 and 39.2} P-Ta is 0.15 times normal ~ 0.45sP-Ta the maximum time (1l1] A-aTa) is 0.14 ~ 0.31s. The result is 0. I3s, slightly lower than literature values. This may be due to potential effects of ventricular depolarization, resulting in Ta due to forward wave peak. Ta surface normal vector of the left axis as a ring 9l. , P vector is +96. , P-Ta angle of 187. . C used in this study lead the lead with the P-Ta-axis angle between the axis will be right with the electrode 5 by the movement of the right two smaller, so the A wave and Ta wave amplitude increases. Body and heart in the chest but different positions, it is best to ask rib tracings vary from person to person. This method can show tracings Ja crossing point and Ta (QRS transition was not covered in part) the basic form, which for certain heart disorders, such as atrial infarction, atrial premature beats, chaotic atrial rhythm and left atrial rhythm in the diagnosis of diseases such as , found a simple way of tracings. Assisted the Department of Jianwei} Comrade First Affiliated Hospital of Zhangjiakou Medical introduced the patient ECG room, grateful.
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