Study of P wave indices in sinus rhythm and tachycardia

Bhardwaj, Arya; Jayaraman, Srinivasan

doi:10.1109/icbsii51839.2021.9445148

Cited by 2 publications

(1 citation statement)

References 28 publications

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“…[8] studied the characteristics of Ta and P waves in the atrioventricular condition and determined that amplitudes change more compared to the change in duration parameters in disease conditions. Another study [10] determined that increased heart rate in ST condition leads to axis shift of the waves and the change in amplitude. Where the change in amplitude and heart rate is generally proportional.…”

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confidence: 99%

Exaggerated amplitude and peak location of Ta wave in tachycardia as an indicator for atrial disorders

Bhardwaj¹,

Neelapu²,

Pal³

et al. 2022

Computing in Cardiology Conference (CinC)

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In of Sinus Rhythm (SR) volunteers, the atrial repolarization (Ta wave) as a possible indicator for atrial-related diseases is undermined. The presence of Ta wave in exercise stress ECG has been noted previously, however its manifestation during SR is limited in Standard 12-lead system. This study delineates and compares the characteristics of the Ta wave in Sinus Tachycardia (ST) with the SR in terms of amplitude and Ta peak location using the Modified Limb Lead (MLL) system. MLL was recorded for eight SR and fifteen ST volunteers (mean age of 24 years). P-R and S-T segment amplitudes were measured and analyzed. Ta wave-related impact on P-R and S-T segment have been noted and found a 41.60 % increase in P-RST to P-RSR and 49.60% in S-TST to S-TSR using absolute values of P-R and S-T segments. Moreover, the Ta wave peak can be predicted with the change in morphology of the P-R and S-T segments. Determination of Ta wave peak may help to delineate atrial-related disease conditions. A detailed study on Ta wave induced S-T segment depression and elevation helps decrease the false-positive detection of myocardial ischemia and infarction.

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Section: Discussionmentioning

confidence: 99%

Exaggerated amplitude and peak location of Ta wave in tachycardia as an indicator for atrial disorders

Bhardwaj¹,

Neelapu²,

Pal³

et al. 2022

Computing in Cardiology Conference (CinC)

View full text Add to dashboard Cite

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Insights on Atrial Electrocardiogram in Sinus Rhythm and Atrioventricular Block for Improved Clinical Diagnosis

Bhardwaj

Jayaraman

Venkatesan

2021

Biomed. Eng. Appl. Basis Commun.

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Objective: This study aims to characterize P and Ta wave of Modified Limb Lead (MLL) Electrocardiogram (ECG) in Normal Sinus Rhythm (NSR) and Atrioventricular Block (AVB). Methods: ECGs were recorded using MLL configuration from 100 NSR volunteers (mean age 31 years, 35 women) and 20 male AVB patients (mean age 72 years). Amplitudes and durations of P, Ta wave, and PTa Interval (PTaI) were measured, plotted, and analyzed for both the groups. Results: P-wave amplitudes were larger in AVB, and also P, Ta waves correlated significantly in both groups with higher correlation in AVB (NSR: [Formula: see text]; AVB: [Formula: see text]). Ta-wave duration ([Formula: see text] ms) was longer than P-wave duration ([Formula: see text] ms) in AVB patients and was opposite to P-wave polarity in all the leads. PP Interval (PPI) correlated significantly with P wave (NSR: [Formula: see text]; AVB: [Formula: see text]), Ta wave ([Formula: see text]; [Formula: see text]), PTaI ([Formula: see text]; [Formula: see text]), and corrected PTaI ([Formula: see text]; [Formula: see text]). Conclusion: P-wave right axis shift leads to the higher P-wave amplitude in AVB which may be due to the advancing age and atrial chamber enlargement. In NSR, the duration of observable Ta wave was longer than P wave, whereas in AVB, the Ta wave duration was 3–3.5 times longer than P wave.

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Study of P wave indices in sinus rhythm and tachycardia

Cited by 2 publications

References 28 publications

Exaggerated amplitude and peak location of Ta wave in tachycardia as an indicator for atrial disorders

Exaggerated amplitude and peak location of Ta wave in tachycardia as an indicator for atrial disorders

Insights on Atrial Electrocardiogram in Sinus Rhythm and Atrioventricular Block for Improved Clinical Diagnosis

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