If a cold or upper respiratory infection lingers long enough, it may turn into a sinus infection known as sinusitis. Symptoms ...

Sinusitis can cause facial pressure, sinus headache, and other symptoms. Treatment may depend on the cause. A sinus infection, also known as sinusitis or rhinosinusitis, occurs when your nasal ...

Symptoms of sinus bradycardia can range from ... Sinus pause, also known as sinus arrest, occurs when the SA node temporarily stops generating electrical impulses, leading to a pause in heartbeats.

Tachycardia-bradycardia syndrome (i.e. pauses after converting to sinus rhythm) Severe sinus bradycardia Sinus pauses/sinus arrest Sinoatrial nodal exit block Chronotropic incompetence (failure of ...