Related topics: blood vessels · brain · heart attack · stroke · heart muscle

Why whales don't get brain damage when they swim

Special blood vessels in whale brains may protect them from pulses, caused by swimming, in their blood that would damage the brain, new UBC research has suggested.

Low-cost disease diagnosis by mapping heart sounds

Aortic valve stenosis occurs when the aortic valve narrows, constricting blood flow from the heart through the artery and to the entire body. In severe cases, it can lead to heart failure. Identifying the condition can be ...

Microrobots in swarms for medical embolization

Microrobotic agents can form swarms of targeted drug delivery for improved imaging analyses. In a new report now published in Science Advances, Junhui Law and a team of researchers in mechanical and industrial engineering, ...

How blood vessels remember a stroke

The vascular system within our body provides a constant flow of nutrients, hormones and other resources, thus ensuring efficient transport. The researchers Komal Bhattacharyya, David Zwicker, and Karen Alim investigated in ...

Micro-device could pick up early signs of heart attack or stroke

In Australia each year, approximately 55,000 people suffer a heart attack, with a similar number suffering from stroke. Many are caused by blood clots that block the flow of blood to the heart, often in at-risk individuals ...

New nanoparticles aid sepsis treatment in mice

Sepsis, the body's overreaction to an infection, affects more than 1.5 million people and kills at least 270,000 every year in the U.S. alone. The standard treatment of antibiotics and fluids is not effective for many patients, ...

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