Effect of age and gender on QRS complex amplitude in healthy adults
المؤلفون المشاركون
Khalil, Yasir M.
al-Silivani, Baybin Khurshid
Mahmud, Muzahim F.
المصدر
Journal of the Faculty of Medicine Baghdad
العدد
المجلد 56، العدد 2 (30 يونيو/حزيران 2014)، ص ص. 221-224، 4ص.
الناشر
تاريخ النشر
2014-06-30
دولة النشر
العراق
عدد الصفحات
4
التخصصات الرئيسية
الموضوعات
الملخص EN
Background : There is controversy about the upper normal value of QRS complex amplitude in adult population under the age of 40 years.
Most of the left ventricular hypertrophy voltage criteria were designed or tested for people above 40 years.
In addition to age, QRS amplitude is also affected by gender and racial factors.
Objectives : To evaluate the impact of age on QRS amplitude in each gender separately in healthy adults.
Patients and Methods : Electrocardiograms from 563 overtly healthy adults (386 male and 177 female) aged 18-40 years were obtained using Cardios PC based ECG machine, 12-lead ECGs were recorded and QRS amplitude was measured as the sum of (SV1 + RV5) and (SV2 + RV6) both by computer and manual revision.
The mean QRS amplitude was calculated for the entire study sample and then for each sex separately.
The mean QRS amplitude was then compared between the two genders and in different age groups in the study sample.
Linear regression lines of QRS amplitude versus age were drawn for each gender separately.
Results : The mean ± SD of QRS amplitude in the study sample was within normal range.
Also It was found that males have significantly higher mean QRS amplitude than females (p = 0.001), and there was highly significant decline in mean QRS amplitude with increasing age group in the study sample (p = 0.001).
Linear regression lines of QRS amplitude versus age in each gender separately have shown that males have greater QRS amplitude than females and there was a clear decline in QRS amplitude with increased age from 18-to-40 years in males, but the picture was different in females as they have shown a very slight increase in QRS amplitude with increased age from 18-to-40 years.
Conclusions : The mean QRS amplitude in males was significantly higher than females.
There was a clear decline in QRS amplitude with increased age from 18-40 years in males ‘on the contrary, in females there was a very slight increase in QRS amplitude with increased age from 18-40 years.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Khalil, Yasir M.& al-Silivani, Baybin Khurshid& Mahmud, Muzahim F.. 2014. Effect of age and gender on QRS complex amplitude in healthy adults. Journal of the Faculty of Medicine Baghdad،Vol. 56, no. 2, pp.221-224.
https://search.emarefa.net/detail/BIM-419561
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Khalil, Yasir M.…[et al.]. Effect of age and gender on QRS complex amplitude in healthy adults. Journal of the Faculty of Medicine Baghdad Vol. 56, no. 2 (2014), pp.221-224.
https://search.emarefa.net/detail/BIM-419561
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Khalil, Yasir M.& al-Silivani, Baybin Khurshid& Mahmud, Muzahim F.. Effect of age and gender on QRS complex amplitude in healthy adults. Journal of the Faculty of Medicine Baghdad. 2014. Vol. 56, no. 2, pp.221-224.
https://search.emarefa.net/detail/BIM-419561
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 224
رقم السجل
BIM-419561
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر