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Video: MRI

MRI video — What to expect and how to prepare for a magnetic resonance imaging scan.

Sudden cardiac arrest

A sudden loss of heart function is a medical emergency. Fast, appropriate care might keep it from being deadly.


Learn more about how to prepare for this painless diagnostic test that creates detailed pictures of the inside of the body without using radiation.

Breast MRI

Learn more about breast MRI, including how this imaging test helps to diagnose cancer and when you might need one.

Cardiac ablation

Cardiac ablation — Overview covers risks, what to expect during cardiac catheter ablation to correct heart rhythm problems (arrhythmias).

Cardiac resynchronization therapy

Learn why it's done, what to expect from cardiac resynchronization therapy with a pacemaker (CRT-P) or a pacemaker with a defibrillator (CRT-D).

Cardiac tamponade

Compression of the heart caused by fluid collecting in the sac surrounding the heart.

Cardiac rehabilitation

Learn more about this customized outpatient program to improve your heart health through exercise, education and support.

Cardiac asthma: What causes it?

Cardiac asthma refers to wheezing that's a sign of heart failure.

Cardiac catheterization

Find out more about this minimally invasive procedure that can diagnose and treat heart problems, including what's involved in the test and the risks.

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