A 35-year-old woman presented to our hospital in June 2006 with a 6-month history of right thyroid swelling. Although the patient was asymptomatic, she was becoming increasingly concerned about the ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

The renal sympathetic nerves have been identified as a major contributor to the complex pathophysiology of hypertension in both experimental models and in humans. 1 Patients with essential ...

When faced with imminent physical danger, the human body’s sympathetic nervous system triggers our "fight-or-flight" response. The sympathetic nervous system is a normally harmonized network of brain ...

Catecholaminergic polymorphic ventricular tachycardia is a potentially lethal disease characterized by adrenergically mediated ventricular arrhythmias manifested especially in children and teenagers.

The sympathetic nervous system, which helps your heart and other vital organs function all the time, increases activity in response to danger or stress, preparing the body for extra demands. Stress is ...