Symptom Key

**Ventricular Key sign**, also known as **groove phenomenon**, is a symptom of impaired intraventricular blood flow in heart disease. To understand the causes and treatment of this symptom, we need a little more information about the anatomy of the heart: the heart consists of four chambers: two atria (right and

What is the Key symptom?

The Keys symptom (or, in a more outdated version, the “groove symptom”) is a rare pathological condition that manifests itself in the form of a sudden onset of pain in the temples and crown of the head when sneezing. Headache, nausea, loss of balance and other symptoms may also occur.

In this article we will look at the causes of this symptom, its possible consequences and methods of treatment.

Causes of symptoms Keys.