TY - JOUR T1 - Investigation of changes in electrocardiography before and after free diving TT - Serbest dalış öncesi ve sonrası elektrokardiyografik değişikliklerin incelenmesi AU - Kafes, Habibe AU - Yüzbaşıoğlu, Yücel AU - Günhan, Gültekin PY - 2020 DA - March DO - 10.18663/tjcl.676941 JF - Turkish Journal of Clinics and Laboratory JO - TJCL PB - DNT Ortadoğu Yayıncılık A.Ş. WT - DergiPark SN - 2149-8296 SP - 56 EP - 60 VL - 11 IS - 2 LA - en AB - Aim: To evaluate theelectrocardiographic (ECG) parameters and hemodynamic parameters in predictingthe development of arrhythmias after free diving static apnea performance andmaximum breath hold. Materialand Methods:Twenty-four volunteer athletes participating in the free diving competition in2015 (19 males (79.2%) and 5 females (20.8%)) were included in the study.Peripheral O2 saturation (SpO2), heart rate (HR), ECG parameters (PR interval,QRS time, T wave amplitude, corrected QT time, presence of bandle branch blockand new bandle branch block development, atrial premature beats, ventricularpremature beats) were analyzed. Results: There was nostatistically significant difference between before static apnea measurements(systolic blood pressure (SBP) 124.7 ± 10.8 mmHg, diastolic blood pressure(DBP) 76.5 ± 6.7 mmHg, heart rate (HR) 80.2 ± 13.4 beats / min, SpO2 97.1 ±0.9%) and after performance (SBP 128.8 ± 13.6 mmHg DBP 78.0 ± 5.9 mmHg, HR85.8, ± 16.5 beats / min and SpO2 96.7 ± 2.3%)(p = 0.175; p = 0.334; p = 0.104;p = 0.336, respectively). Conclusion: No significantchanges were observed in ECG parameters, heart rate, saturation and bloodpressure values evaluated after static apnea performance. These findings can beused to support that the risk of arrhythmia during static apnea does notpersist after apnea has ended. KW - arrhythmia KW - free diving KW - electrocardiography N2 - Amaç: Serbest dalış statikapne performansı ile maksimum nefes tutma sonrası aritmi gelişimini öngörmedeelektrokardiyografik (EKG) parametreleri ve hemodinamik göstergelerideğerlendirmek. Gereç veYöntemler:Çalışmaya 2015 yılında düzenlenen serbest dalış yarışmasına katılan 24 gönüllüsporcu dahil edilmiştir (19 erkek (%79,2) and 5 kadın (%20,8)). Performansöncesi ve sonrası ( 5. dakikada) periferik O2 satürasyonu ( pO2), kalp hızı(KH), EKG parametreleri ( PR aralığı, QRS süresi, T dalga amplitüdü,düzeltilmiş QT süresi, dal bloğu varlığı ve yeni dal bloğu gelişimi, atriyalerken atım, ventriküler erken atım varlığı) analiz edildi. Bulgular: Sporcuların statik apneöncesi sistolik kan basınçları (SKB) 124,7±10,8 mmHg, diyastolik kan basınçları(DKB) 76,5±6,7 mmHg, kalp hızı 80,2 ±13,4 atım/dk, pO2 %97,1±0,9 ve performanssonrası SKB 128,8±13,6 mmHg, DKB 78,0 ±5,9 mmHg, KH 85,8±16,5 atım/dk, pO2%96,7±2,3 arasında istatistiksel olarak anlamlı fark saptanmadı ( sırasıylap=0,175; p=0,334; p=0,104; p=0,336). Sonuç: Statik apneperformansı sonrası değerlendirilen EKG parametrelerinde, kalp hızında,satürasyon ve tansiyon değerlerinde herhangi bir anlamlı değişiklik izlenmedi.Bu bulgular statik apne esnasında gelişebilecek aritmi riskinin apnesonlandıktan sonra devam etmediğini desteklemede kullanılabilir. CR - 1.Lindholm P. Loss of motor control and/or loss of consciousness during breath-hold competitions. International Journal Of Sports Medicine 2007; 28: 295-99 CR - 2.Irving L. Bradycardia in human divers. J Appl Physiol 1963; 18: 489-91. CR - 3.Hong SK, Rahn H. The diving women of Korea and Japan. 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