Results 61 to 70 of about 16,166,191 (388)

Critical Scale-invariance in Healthy Human Heart Rate

, 2004
We demonstrate the robust scale-invariance in the probability density function (PDF) of detrended healthy human heart rate increments, which is preserved not only in a quiescent condition, but also in a dynamic state where the mean level of heart rate is
C. K. Peng, H. V. Huikuri, J. T. Bigger, Jr., J. T. Bigger, Jr., Junichiro Hayano, Ken Kiyono, N. Aoyagi, Naoko Aoyagi, S. Sakata, Seiichiro Sakata, U. Frisch, Y. Yamamoto, Yoshiharu Yamamoto, Zbigniew R. Struzik   +13 more
core   +1 more source

Effect of selective heart rate slowing in heart failure with preserved ejection fraction [PDF]

, 2015
Background Heart failure with preserved ejection fraction (HFpEF) is associated with significant morbidity and mortality but is currently refractory to therapy.
Ashrafian, Houman, Dawson, Dana K., Dwight, Jeremy S., Francis, Jane M., Frenneaux, Michael, Mahmod, Masliza, Neubauer, Stefan, Pal, Nikhil, Rudd, Amelia, Singh, Satnam, Sivaswamy, Nadiya, Watkins, Hugh, Yavari, Arash   +12 more
core   +2 more sources

Deep PPG: Large-Scale Heart Rate Estimation with Convolutional Neural Networks

Italian National Conference on Sensors, 2019
Photoplethysmography (PPG)-based continuous heart rate monitoring is essential in a number of domains, e.g., for healthcare or fitness applications. Recently, methods based on time-frequency spectra emerged to address the challenges of motion artefact ...
Attila Reiss, Ina Indlekofer, P. Schmidt, Kristof Van Laerhoven   +3 more
semanticscholar   +1 more source

Prolonged Corrected QT Interval as an Early Electrocardiographic Marker of Cyclophosphamide‐Induced Cardiotoxicity in Pediatric Hematology and Oncology Patients

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Cyclophosphamide (CY) is associated with potentially fatal cardiotoxicity, yet no electrocardiographic indices have been established for early detection of CY‐induced cardiomyopathy. This study aimed to determine whether corrected QT interval (QTc) prolongation can predict early onset of CY‐related cardiac dysfunction in pediatric ...
Junpei Kawamura, Kentaro Ueno, Takuro Nishikawa, Yoshihiro Takahashi, Koji Nakae, Yasuhiro Okamoto   +5 more
wiley   +1 more source

Inexpensive, stable circuit measures heart rate [PDF]

, 1965
Inexpensive transistorized circuit provides reliable analog indications of heart rate in response to preamplified electrocardiograph signal applied to its ...
Vick, H. A.
core   +1 more source

Patient‐Level Barriers and Facilitators to Inpatient Physical Therapy in Adolescents and Young Adults With a Hematological Malignancy: A Qualitative Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Despite their increased risk for functional impairment resulting from cancer and its treatments, few adolescents and young adults (AYAs) with a hematological malignancy receive the recommended or therapeutic dose of exercise per week during inpatient hospitalizations.
Jennifer A. Kelleher, Jennifer L. Bernstein, Katia M. Crisler, Julia K. Herriott, Kimberly L. Klages, Robin E. Norris, Mariann L. Strenk, Sarah E. Bills, Meghan E. McGrady   +8 more
wiley   +1 more source

Characterizing Parental Concerns About Lasting Impacts of Treatment in Children With B‐Acute Lymphoblastic Leukemia

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background B‐acute lymphoblastic leukemia (B‐ALL) is the most common pediatric cancer, and while most children in high‐resource settings are cured, therapy carries risks for long‐term toxicities. Understanding parents’ concerns about these late effects is essential to guide anticipatory support and inform evolving therapeutic approaches ...
Kellee N. Parker, Sarah W. Alexander, Lisa M. Jacola, Kimberly A. Buff, Kyobin Hwang, Elham Hashemi, Gregory Stoddard, Lindsay A. Jibb   +7 more
wiley   +1 more source

Maternal, fetal and neonatal heart rate and heart rate variability in Holstein cattle

Pesquisa Veterinária Brasileira, 2019
: The aim of this study was to describe the normal values for maternal, fetal and neonatal heart rate (HR) and heart rate variability (HRV) indexes in the time domain (standard deviation of beat-to-beat interval - SDNN; root mean square of successive ...
Dario A.C. Quevedo, Maria Lucia G. Lourenço, Carmen D. Bolaños, Angélica Alfonso, Carla M.V. Ulian, Simone B. Chiacchio   +5 more
doaj   +1 more source

Sinusoidal fetal heart rate pattern [PDF]

, 2016
We describe 2 cases of term anemic fetuses with different sinusoidal pattern morphology, and possible mechanisms.nbspCasesmdashThe first patient noted sudden cessation of fetal movement on the day of presentation. She had a sinusoidal FHR pattern.
Ikeda, T. (Tomoaki), Katsuragi, S. (Shinji), Parer, J. T. (Julian)   +2 more
core  

Multifractality and scale invariance in human heartbeat dynamics

, 2007
Human heart rate is known to display complex fluctuations. Evidence of multifractality in heart rate fluctuations in healthy state has been reported [Ivanov et al., Nature {\bf 399}, 461 (1999)].
A. L. Goldberger, Emily S. C. Ching, G. Parisi, Yue-Kin Tsang   +3 more
core   +1 more source