UnderlyingConditions

Health

What Are Hiccups a Sign Of?

Understanding the Physiology of Hiccups Hiccups, also known as synchronous diaphragmatic flutter (SDF) or singultus, are involuntary contractions of the diaphragm muscle. The diaphragm is a large, dome-shaped muscle that separates the chest cavity from the abdominal cavity and plays a crucial role in breathing. When the diaphragm contracts involuntarily, it causes a sudden intake of air, which is followed…