Ach Flashcards
What is the upper limits of mediastinum
Thoracic inlet
What is lower limit of mediastinum
diaphragm
What vertebral level of the sternal angle?
T4-T5
Posterior wall of mediastinum is along which vertebrae?
T1-T12
Which part of the esophagus is striated muscle?
The upper third
Under voluntary control
Receives innervation from the vagus nerve
Which part of the esophagus is smooth muscle?
The inferior third
What vertebrae does the esophagus extend from-to?
C6-T10
Pierces diaphragm to enter the stomach
Posterior to the trachea
Do the vagus nerves lie anterior or posterior to the root of the lung?
posterior
What are the 3 constrictions of the esophagus?
Cricopharyngeus mucles
Aorto-broncial constriction
Esophageal hiatus
Define Achalasia
failure of normal peristalsis in the esophagus
Why do you get hoarseness from an aortic aneurysm?
The aneurysm puts pressure on the left recurrent laryngeal nerve