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Title:
CIRKADIJSKI DNEVNO-NOČNI BIOLOŠKI RITMI IN VARIABILNOST FREKVENCE SRCA
Authors:
ID
Salkić Rakuša, Amela
(
Author
)
ID
Križmarić, Miljenko
(
Mentor
)
More about this mentor...
ID
Mekiš, Dušan
(
Comentor
)
Files:
VS_Salkic_Rakusa_Amela_2016.pdf
(2,06 MB)
MD5: 79C64513C002D4388EA0385DA5F138F1
Language:
Slovenian
Work type:
Undergraduate thesis
Typology:
2.11 - Undergraduate Thesis
Organization:
FZV - Faculty of Health Sciences
Abstract:
V diplomskem delu je opisano kaj je variabilnost frekvence srca (HRV). Opisali smo povezavo med HRV in različnimi boleznimi. Ugotovili smo kako se HRV spreminja v dnevno-nočnem času. Raziskava je vključevala 5 zdravih preiskovancev starih med 21 in 34 let od tega sta bili 2 osebi ženskega spola in 3 moškega. Prostovoljcem smo namestili aparat za 24 urno snemanje EKG-ja (Holter monitor) in posneli 120 ur podatkov oziroma 502.587 utripov srca. S pomočjo metod časovne in frekvenčne domene smo izračunali HRV. Rezultati so pokazali da preiskovanci, ki so imeli nemiren ali zamaknjen spanec so imeli tudi odstopanja v vrednosti cirkadijskega indeksa. Ugotovili smo tudi, da so bili vzroki za znižane vrednosti standardnega odklona vseh RR intervalov (SDNN) stresne situacije. Potrdili smo, da se ob fizični aktivnosti aktivira simpatično živčevje in zmanjša aktivnost parasimpatičnega živčevja in s tem se tudi poveča srčni utrip. Med počitkom po vadbi se srčni utrip vrne na izhodišče kar je posledica parasimpatične reaktivacije. Z neinvazivno metodo HRV smo prepoznali dejavnike tveganja za nastanek kariovaskularnih obolenj.
Keywords:
heart rate
,
heart rate variability in circadian rhythms.
Place of publishing:
Maribor
Publisher:
[A. Salkič Rakuša]
Year of publishing:
2016
PID:
20.500.12556/DKUM-61676
UDC:
612.8(043.2)
COBISS.SI-ID:
2248100
NUK URN:
URN:SI:UM:DK:KABEDMPB
Publication date in DKUM:
10.10.2016
Views:
3580
Downloads:
204
Metadata:
Categories:
FZV
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Secondary language
Language:
English
Title:
CIRCADIAN BIOOGICAL DAY-NIGHT RHYTHMS AND HEART RATE VARIABILITY
Abstract:
Dissertation describes what the heart rate variability (HRV) is. We describe the link between HRV and various diseases. We discovered how the HRV changes in day-night time. The study included five healthy subjects aged between 21 and 34 years of which 2 were females and 3 male. Volunteers had 24 hour ECG (Holter monitor) and recorded 120 hours of data, or 502 587 heart beats. Using the methods of the time and frequency domain we calculated the HRV. The results showed that the subjects who had a restless sleep or postpone the sleep also had deviations in the value of the circadian index. We have also found that the causes for the reduced value of standard deviation of the RR intervals (SDNN) were stressful situations. We have confirmed that the physical activity activate the sympathetic nervous system and decreases the activity of the parasympathetic nervous system, and consequently increase the heart rate. During the rest after exercise, the heart rate returns to baseline as a result of parasympathetic reactivation. The non-invasive method of HRV, we have identified risk factors for cardiovasscular diseases.
Keywords:
heart rate
,
heart rate variability and circadian rhythms.
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