Cardiology

Heart cells cozy up to prevent deadly arrhythmias

Blood may seem like a simple fluid, but its chemistry is complex. When too much potassium, for instance, accumulates in the bloodstream, patients may experience deadly irregular heart rhythms.

Radiology & Imaging

MRI expertise aids research on hemodialysis therapy patients

Researchers at the Beckman Institute for Advanced Science and Technology were part of a collaborative effort to investigate a new strategy to manage sodium levels in patients with kidney failure who were undergoing hemodialysis ...

Cardiology

An atomic view of the trigger for the heartbeat

Atomic-level studies of the architecture of tiny sodium channel proteins, critical to generating electrical signals that start off each beat of the heart, are imparting striking details about their function, malfunctions, ...

Neuroscience

Neurons absorb and release water when firing, study suggests

Neurons absorb and release water when they relay messages throughout the brain, according to a study by researchers at the National Institutes of Health and other institutions. Tracking this water movement with imaging technology ...

Health

Blood sodium levels may affect cognition in older adults

A new study has found that lower level of sodium in the blood—known as hyponatremia—is linked with declines in cognitive function with advancing age. The results, which are described in an upcoming issue of the Clinical ...

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