Results 51 to 60 of about 1,256,997 (211)

Respiratory and non-respiratory sinus arrhythmia: implications for heart rate variability

open access: yes, 2012
The quantity of blood arriving at the left side of the heart oscillates throughout the breathing cycle due to the mechanics of breathing. Neurally regulated fluctuations in the length of the heart period act to dampen oscillations of the left ventricular
Towell, A.   +3 more
core   +1 more source

Heart rate, respiratory rate and airflow variability differences between stable and exacerbating chronic obstructive pulmonary disease patients [PDF]

open access: yes
Rationale Earlier identification and treatment of chronic obstructive pulmonary disease exacerbations leads to improved clinical outcomes. Wearable technology has the ability to measure physiological signal variability which is likely to be different in ...
Shah, Amar J   +7 more
core   +2 more sources

Incidence and risk factors for respiratory syncytial virus and human metapneumovirus infections among children in the remote highlands of Peru [PDF]

open access: yes, 2015
The disease burden and risk factors for respiratory syncytial virus (RSV) and human metapneumovirus (MPV) infections among children living in remote, rural areas remain unclear.; We conducted a prospective, household-based cohort study of children aged ...
Gil, Ana I.   +48 more
core   +1 more source

The Influence of Noise Level on the Stress Response of Hospitalized Cats

open access: yesVeterinary Sciences
The study aimed to investigate the impact of noise levels in the hospital environment on the stress experienced by hospitalized cats undergoing elective ovariohysterectomy surgery.
Marisa Girão   +3 more
doaj   +1 more source

Changes in Short-Term and Ultra-Short Term Heart Rate, Respiratory Rate, and Time-Domain Heart Rate Variability Parameters during Sympathetic Nervous System Activity Stimulation in Elite Modern Pentathlonists—A Pilot Study

open access: yesDiagnostics, 2020
Monitoring of markers reflecting cardiac autonomic activity before and during stressful situations may be useful for identifying the physiological state of an athlete and may have medical or performance implications.
Jakub S. Gąsior   +6 more
doaj   +1 more source

Parental education and children's respiratory and allergic symptoms in the Pollution and the Young (PATY) study.

open access: yes, 2006
Inequalities in health between socio-economic groups are a major public health concern. The current authors studied associations between parental socio-economic status (SES) and children's respiratory and allergic symptoms in 13 diverse countries ...
Luttmann-Gibson, H   +29 more
core   +1 more source

Estimation of Heart Rate and Respiratory Rate from PPG Signal Using Complementary Ensemble Empirical Mode Decomposition with both Independent Component Analysis and Non-Negative Matrix Factorization

open access: yesSensors, 2020
This paper proposes a framework combining the complementary ensemble empirical mode decomposition with both the independent component analysis and the non-negative matrix factorization for estimating both the heart rate and the respiratory rate from the ...
Ruisheng Lei   +3 more
doaj   +1 more source

Clinical and fiberoptic endoscopic assessment of swallowing in patients with chronic obstructive pulmonary disease

open access: yesInternational Archives of Otorhinolaryngology, 2013
Summary Introduction: Chronic obstructive pulmonary disease is characterized by progressive and partially reversible obstruction of pulmonary airflow.
Marina Rodrigues Bueno Macri   +6 more
doaj   +1 more source

Hubungan Lama Merokok dan Jumlah Rokok dengan Saturasi Oksigen dan Frekuensi Pernafasan pada Perokok Aktif

open access: yesMajalah Kedokteran Andalas, 2022
Merokok merupakan suatu prilaku yang sering dijumpai dalam kehidupan sehari-hari. Prilaku merokok perokok aktif ini dapat membahayakan kesehatan baik bagi perokok maupun bagi orang lain di sekitarnya. Merokok akan menyebabkan perubahan patofisiologi paru
Raden Ayu Tanzila
doaj   +1 more source

Significance of the Respiratory Rate in Emergency Medicine [PDF]

open access: yesDeutsches Ärzteblatt international, 2015
The authors of the study show that the respiratory rate is an independent risk marker for hospital mortality in community acquired pneumonia (CAP). We wish to add that the respiratory rate is an important risk marker for the purposes of sensitively identifying emergency patients at vital risk (1).
Hortmann, Marcus   +3 more
openaire   +3 more sources

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