Cardiac plexus

Question 1

Describe position and course of superficial cardiac plexus

Answer 1

• Concavity of aortic arch

* Continuous laterally with deep cardiac plexus

Question 2

input of superficial cardiac plexus

Answer 2

• Cardiac br. of superior cervical ganglion

* Superior (cervical) cardiac br.

Question 3

Describe position and course of deep cardiac plexus

Answer 3

• Tracheal bifurcation

* Continuous laterally with pulmonary plexuses

Question 4

input of deep cardiac plexus

Answer 4

• Cardiac brs. of cervical ganglia
• Cardiac brs. thoracic ganglia (T1-5)
• Cardiac brs.
• Recurrent laryngeal nn

Question 5

Identify

Answer 5

Question 6

Identify

Answer 6

Question 7

Branches of vagus nerve

Answer 7

• Superior (cervical) cardiac brs.
• Inferior cardiac brs.
• Recurrent laryngeal nn. (RLN)
• Vagus nerves 🡪 Vagal trunks

Question 8

Describe vagal trunks

Answer 8

• Distal to roots of lungs
• Anterior vagal trunk (mostly L. vagus)
• Posterior vagal trunk (mostly R. vagus)
• Serve the foregut and midgut