Phrenic and Vagus Flashcards

1
Q

Right Vagus

A

Jugular foramen

(W/In Carotid Sheath)

Enters thorax ANTERIOR to Right Subclavian A— STA–>

Passes Posterior to Brachiocephalic Vein, SVC, and Root of R Lung (bronchus)

Esophageal Hiatus (T10) ** Passes through as POSTERIOR Vagal Trunk**

Posterior stomach

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2
Q

Left Vagus

A

Jugular foramen

(W/In Carotid Sheath)

Passes through STA - ANTERIOR to Aorta (Arch)

Posterior to Left (Pulmonary artery, L Bronchus)

Esophageal Hiatus (T10) ** Passes through as ANTERIOR Vagal Trunk**

Anterior stomach

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3
Q

Right Phrenic

A

SCM/ Ant Scalene

Ant to Subclavius Artery

Posterior Subclavius Vein

Posterior to Great Pulmonary Vessle

R. Lung/ SVC

R. Lung/ Heart

Passes through Vena Cava Hiatus of Diaphragm

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4
Q

Left phrenic

A

SCM/ Ant Scalene

Ant to Subclavius Artery

Posterior Subclavius Vein

Ant. arch of aorta and Great pulmonary vessles

L. Lung/ Heart

Passes through Vena Cava Hiatus of Diaphragm

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5
Q

What structures pass through the caval opening?

A

IVC
R. Phrenic

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6
Q

What structures pass through the Esophageal opening?

A

Esophagus
Vagus
Esophageal arteries.

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7
Q

What structures pass through the Aortic opening?

A

Thoracic duct
Azygos vein
Aorta

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