Notes in Barash

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Published	12/13/2023	Abducting the arm beyond 90 degrees can cause injury of the {{c1::brachial plexus}} by stretching it around the {{c2::head of the humerus}}.
Published	12/13/2023	Compression of the {{c3::lateral}} aspect of the knee can cause damage of the {{c1::common peroneal}} nerve, resulting in {{c2::foot drop}}.&nbsp…
Published	12/13/2023	Shoulder braces should be placed above the {{c1::lateral ⅔}} (over the {{c1::acromion}}) of the clavicle to avoid compression of the {{c2::brachial pl…
Published	12/13/2023	Elbow {{c1::flexion::flexion/extension}} can cause ulnar nerve damage because the {{c2::cubital tunnel retinaculum}} compresses the ulnar nerve.
Published	12/13/2023	Ulnar nerve damage usually presents with a {{c1::delayed::immediate/delayed}} onset of symptoms.
Published	12/13/2023	Which patient characteristics are most susceptible to ulnar nerve injuries?{{c1::obese::size}} {{c1::men::gender}}
Published	12/13/2023	Excessive cycling of the blood pressure cuff can cause {{c1::radial}} nerve damage.
Published	12/13/2023	The {{c3::cubital tunnel retinaculum}} stretches from the {{c1::medial epicondyle}} to the {{c2::olecranon}}.
Published	12/13/2023	When a patient is placed in the lithotomy position, the central blood volume will increase by {{c1::300}} to {{c1::500}} mL.
Published	12/13/2023	In the lithotomy position, excessive pressure on the medial aspect of the calf can cause damage of the {{c1::saphenous}} nerve.
Published	12/13/2023	Excessive hip flexion can damage the {{c1::obturator}} nerve, which leads to weakness and paralysis of the {{c2::thigh adductors}}, and reduced sensat…
Published	12/13/2023	Prolonged lithotomy position (> 5 hours) can cause {{c1::compartment}} syndromes of the lower extremities.
Published	12/13/2023	When positioning a patient in the {{c2::lateral decubitus}} position, an axillary roll is placed {{c1::caudad to the axilla}}.
Published	12/13/2023	The lateral decubitus position will {{c1::decrease}} the vital capacity by 10%.
Published	12/13/2023	In the lateral position, ventral circumduction of the dependent shoulder can stretch the {{c1::suprascapular}} nerve, which is anchored at the {{c2::c…
Published	12/13/2023	In the sitting position, the blood pressure is {{c1::decreased}} due to {{c2::venous pooling}}.
Published	12/13/2023	In the sitting position, the lung volumes are {{c1::increased}}.
Published	12/13/2023	For a prone patient, it is important to avoid pressure on the eye, as that can lead to postoperative {{c2::blindness}} from {{c1::central retinal arte…
Published	12/13/2023	If a patient has {{c1::thoracic outlet}} syndrome, their arms should be {{c2::tucked}} during surgery.
Published	12/13/2023	Ischemic optic neuropathy presents with {{c1::bi}}lateral vision loss.
Published	12/13/2023	In the lateral decubitus position, which lung is better perfused?{{c1::dependent lung}}
Published	12/13/2023	Central retinal artery occlusion presents with {{c1::uni}}lateral vision loss.
Published	12/13/2023	{{c1::Epinephrine}} can be used to treat anaphylaxis because it prevents {{c2::mast cell}} degranulation by increasing {{c3::cAMP}} in mast cells and …
Published	12/13/2023	Neuromuscular blockers can cause anaphylaxis because of the cross-reactivity of the {{c1::tertiary/quaternary ammonium ions}}.
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