Scientists have found that adding a missing phospholipid back into the bloodstream might help improve blood flow and reduce ...

Fig. 1. CBF and Tmax maps derived from the model and CTP showing three patients with different cores and low perfusion volumes in the test dataset and the corresponding maximum intensity projection ...

Despite the long-standing reputation of each, as well as distinct underlying physics, laser speckle contrast imaging (LSCI) and imaging photoplethysmography (IPPG) reach concordance on functional ...

New imaging reveals how subtle lung changes may influence sleep and brain activity years after COVID, offering clues to why symptoms persist even when routine tests look normal. Even without ...

Cerebral haemodynamics, the study of blood flow within the brain, is central to understanding how the organ meets its extraordinary metabolic demands. Autoregulation refers to the intrinsic ability of ...

Cognitive impairment is common in patients with end-stage renal disease treated with hemodialysis. Despite this well-recognized link, the etiology of cognitive impairment in hemodialysis patients has ...

Hypertonic saline refers to any saline solution with a concentration of sodium chloride (NaCl) higher than physiologic (0.9%). Commonly used preparations include 2%, 3%, 5%, 7%, and 23% NaCl. HTS may ...