Hiatal Hernia: Anatomical Explanation

In the given video the lecturer gives an overview of the definition of hiatal hernia followed by the explanation of relevant associated anatomy of esophageal hiatus, covering topics of pressure differences between abdominal and thoracic cavity, internal and external sphincters, phreno-esophageal membrane, affects of ageing, types of hiatus hernia, signs and symptoms and finally the treatment portocols usually followed. Timeline: 0:00 – Introduction and Overview of hiatal hernia 1:04 – Physiological aspects behind hiatus hernia formation 3:09 – Internal sphincter mechanism 5:34 – Extrinsic sphincter 6:48 – Phreno-esophageal membrane 8:50 – Affect of ageing on connective tissues 9:48 – Sliding hiatus hernia 10:31 – Para-esophageal hiatus hernia 11:34 – Type 3 and 4 hiatus hernia 12:05 – Signs and symptoms 13:31 – Treatment