• Valvuloplasty for Mitral Valve Stenosis Valvuloplasty is a treatment for mitral valve stenosis. It is a procedure that widens the mitral valve so that blood flows more easily through the heart. It's also called a balloon commissurotomy or valvotomy. It's a minimally invasive procedure.
  • Leadless Pacemaker A leadless pacemaker is a small, battery-powered device. It sends mild electrical signals to your heart. This keeps the heart beating normally. These signals are painless. The pacemaker can help stop the dizziness, fainting, and shortness of breath caused by a slow heart rate. A leadless pacemaker is a newer type of...
  • Pressure Injuries From Scuba Diving What are pressure injuries from scuba diving? Scuba diving can expose you to high waves and dangerous sea life. But the more likely dangers are those you can't see. You can be injured if your body isn't able to adjust to the increasing and decreasing pressure of the water as you breathe compressed air. Pressure changes...
  • Sick Sinus Syndrome Sick sinus syndrome is the name given to a group of arrhythmias that occur because the normal pacemaker of the heart (the sinus node) does not work properly. Sick sinus syndrome is also called sinus node dysfunction. What causes it? Sick sinus syndrome can occur for various reasons. It most commonly results from the...
  • Heartburn Symptom Briefly discusses possible causes of heartburn and the severity of symptoms. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.
  • Renal Artery Stenosis Learn the basics of renal artery stenosis, including what it is, what causes it, and how it is treated.
  • Low-Salt Diets: Eating Out Actionset Offers tips for limiting sodium when eating at restaurants. Lists foods to avoid and options that are heart-healthy. Cautions that most restaurant food is higher in sodium.
  • Biventricular Pacemaker Cardiac resynchronization therapy (CRT) uses a special type of pacemaker called a biventricular pacemaker (say "by-ven-TRICK-yuh-ler") to treat heart failure. This pacemaker sends electrical pulses to make the ventricles pump at the same time. A biventricular pacemaker is implanted in the chest, and it connects to three...
  • Pacemaker Placement: Returning Home Get tips for taking care of yourself after your procedure.
  • Pacemaker Discusses pacemakers used to treat bradycardia. Discusses various types of pacemakers. Covers how they work and how well they work, risks, and possible side effects.

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