<prompt> Crack-Nut oesophagus seen inCarcinoma oesophagusCardiospamAchalasia cardiaBarretts oesophagus  <response>: Davidsons principles and practice of medicine 22nd edition. crack-nut oesophagus is a condition in which extremely forceful peristaltic activity leads to episodic chest pain and dysphagia.Treatment is with nitrates 