Results 111 to 120 of about 4,669,181 (269)

An ultra-fast digital diffuse optical spectroscopic imaging system for neoadjuvant chemotherapy monitoring [PDF]

open access: yes, 2016
Up to 20% of breast cancer patients who undergo presurgical (neoadjuvant) chemotherapy have no response to treatment. Standard-of-care imaging modalities, including MRI, CT, mammography, and ultrasound, measure anatomical features and tumor size that ...
Torjesen, Alyssa Ashley
core   +1 more source

Sarcomere Control Mechanisms and the Dynamics of the Cardiac Cycle [PDF]

open access: yesJournal of Biomedicine and Biotechnology, 2010
This review focuses on recent developments in the molecular mechanisms by which Ca activates cardiac sarcomeres and how these mechanisms play out in the cardiac cycle. I emphasize the role of mechanisms intrinsic to the sarcomeres as significant determinants of systolic elastance and ventricular stiffening during ejection. Data are presented supporting
openaire   +3 more sources

On the Einthoven Triangle: A Critical Analysis of the Single Rotating Dipole Hypothesis

open access: yesSensors, 2018
Since its inception, electrocardiography has been based on the simplifying hypothesis that cardinal limb leads form an equilateral triangle of which, at the center/centroid, the electrical equivalent of the cardiac activity rotates during the cardiac ...
Gaetano D. Gargiulo   +8 more
doaj   +1 more source

Cardiac cycle

open access: yesRadiopaedia.org, 2021
J. Feger
semanticscholar   +1 more source

Cardiac Urea Cycle Activation by Time‐Restricted Feeding Protects Against Pressure Overload‐Induced Heart Failure

open access: yesAdvanced Science
Heart failure is a leading cause of mortality worldwide, necessitating the development of novel therapeutic and lifestyle interventions. Recent studies highlight a potential role of time‐restricted feeding (TRF) in the prevention and treatment of cardiac
Yanzhen Tan   +11 more
doaj   +1 more source

Automatic Segmentation and Disease Classification Using Cardiac Cine MR Images

open access: yes, 2017
Segmentation of the heart in cardiac cine MR is clinically used to quantify cardiac function. We propose a fully automatic method for segmentation and disease classification using cardiac cine MR images.
Isgum, Ivana   +3 more
core   +2 more sources

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