Dysphagia
- what is dysphagia vs odynophagia?
- what are 3 common sites of dysphagia?
- what does solid vs liquid dysphagia suggest?
- what is the aetiology?
Achalasia
- what is the aetiology?
- what is primary achalasia?
- what is secondary achalasia?
- what are the signs and symptoms?
- what are the investigation findings?