In rare situations, chronic sinusitis can cause symptoms that need immediate medical attention. These occur when a bacterial infection develops in the sinuses and spreads to other parts of your body.

Symptoms of sinus bradycardia can range from mild, such as fatigue and dizziness, to severe, including chest pain, confusion and syncope (fainting). Treatment depends on the underlying cause and ...

Sick sinus syndrome (SSS) describes a group of heart rhythm problems that cause the heart to beat too slowly, too quickly, or irregularly.

Long before becoming a patient, Ilene Sue Ruhoy was a prominent neurologist in Seattle, accustomed to treating straightforward diseases, until a tumor upended her life.