Tympany: A hollow drum-like sound that is produced when a gas-containing cavity is tapped sharply. Tympany is heard if the chest contains free air (pneumothorax) or the abdomen is distended with gas.

Is tympany normal in abdomen?

Normal percussion notes over abdominal region. With the exception of an area of dullness over the liver in the right lower anterior chest, tympany is the predominant sound heard over the region.

Where do you hear tympany in the abdomen?

Tympany is typically heard over air-filled structures such as the small intestine and the large intestine. Dullness is typically heard over fluid or solid organs such as the liver or spleen, which can be used to determine the margins of the liver and spleen.