Cardiology

Mayo Clinic Minute: What's 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

Baby born with 'one-of-a-kind' heart receives transplant

When a test showed a dangerous drop in the heart rate of Courtney Agnoli's unborn daughter, the doctor who urgently admitted her to the hospital said, "You aren't leaving here without a baby."

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?

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