Alzheimer's disease & dementia

Alzheimer's in minibrains

In the majority of cases, dementia can be traced back to Alzheimer's disease. Its causes are not really understood yet. What is known is that plaques form from misfolded proteins and that there is an increase in neuronal ...

Cardiology

What is a cardiac stress test?

Your heart provides blood to all parts of your body. In order to determine if it's pumping properly, your health care provider may order a cardiac stress test. It makes the heart pump harder and faster, and can reveal potential ...

Cardiology

Exercise stress test to diagnose heart issues

Dear Mayo Clinic: I have a treadmill stress test scheduled to look for heart disease. I know this involves exercising, and I'm worried that I'm not physically up to it. Is there another way to gather this information?

Medical research

New test methods can reduce the amount of animal testing

Making more use of in-vitro testing, the upcoming 21st-century scientific fields known as 'omics' sciences and developing smart test strategies can clearly reduce the amount of essential animal testing. This is the view of ...

Cardiology

When less is more: New protocol limits use of SPECT MPI

A new stress test protocol that investigates reducing the use of perfusion imaging in low risk patients undergoing SPECT myocardial perfusion imaging for possible angina symptoms was found to be diagnostically safe, revealed ...

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