Cardiology

Cause of ventricular tachycardia determines treatment

Dear Mayo Clinic: Recently, I was diagnosed with ventricular tachycardia, but doctors said a cause cannot be determined. What usually causes this problem? Does knowing the cause make a difference in treatment?

Vaccination

Slovak regulator voices misgivings about Sputnik vaccine

Slovakia's drug regulator said Thursday it was not able to determine the safety of a batch of Russia's Sputnik V vaccine delivered to Bratislava last month, voicing misgivings about its composition.

Diseases, Conditions, Syndromes

Few COVID-19 tests performed after death

In the effort to curtail the spread of the coronavirus, government leaders are working to increase the number of people being tested for COVID-19. In rare cases, that includes testing people who have recently died.

Cardiology

Hope for first blood test to detect deadly heart inflammation

The first blood test to diagnose inflammation of the heart muscle (myocarditis) could be in use in as little as a year, following the discovery of a molecular signal in the blood by Queen Mary University of London researchers. ...

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