hiccups

Hiccup, also known as synchronous diaphragmatic flutter (SDF) is the “spasmodic contraction of the diaphragm that repeats several times per minute”. It is the abrupt rush of air into the lungs which causes the epiglottis to close, creating the “hic” sound. Hiccups are irritable and reflexive; as the muscle contracts repeatedly, the opening between the…