Flap Anatomy
Medications
Potpourri
Lower Extremity Anatomy
100

This is the blood supply to the latissimus dorsi.

What is the thoracodorsal artery and the posterior intercostal arteries

100

This phosphodiesterase inhibitor causes vasodilation and is used after coming off ischemia

What is papaverine?

100

This is the first step in evaluation upon receiving a consult for a traumatic open wound needing soft tissue coverage.

What is ATLS?

100

This is the vessel of choice to anastomose to fora  medial maleolus wound requiring free tissue transfer.

What is the posterior tibial artery?

200

This is the innervation of the functional gracilis muscle flap

What is the obturator nerve

200

Towards the end of the case, this vasopressor, and its mechanism of action is the best choice to treat transient hypotension during a free flap procedure.What is phenylephrine, an alpha 1 agonist

What is phenylephrine, an alpha 1 agonist

200

These are the classical options for soft tissue coverage of the: proximal 1/3, middle 1/3, and distal 1/3 of the lower leg

What are the gastrocnemius for the proximal 1/3, soleus for the middle 1/3, and free tissue transfer of the distal 1/3

200

This is the most common functional complication of harvesting an anterolateral thigh flap

What is weakness of knee extension from dissection of the vastus lateralis?

300

The radial artery travels between what two muscles in the proximal forearm

What are the brachioradialis and the flexor carpi radialis

300

When taking a free flap back for arterial thrombosis, this medication that can be injected into the flap acts via this mechanism of action.

What is activates plasminogen to plasmin, causing fibrinolysis?

300

These are the Gustillo classifications

I: <1cm

II: 1-10cm

IIIa: >10cm without soft tissue loss

IIIb: >10cm with significant soft tissue loss

IIIc: any injury with vascular injury requiring repair

300

The source artery for the gastrocnemius muscle passes through this structure proximal to the knee

What is the adductor hiatus?

400

The blood supply to the parascapular flap passes through this structure, made up of these muscles.

What is the triangular space, made up of the: teres major, teres minor, and the long head of the triceps 

400

When treating vasospasm, lidocaine can be used to cause vasodilation via these 2 mechanisms of action.

What is release of nitric oxide and sodium channel blocker of sympathetic nerves?

400
As previously described by Cederna et al, this is a key step to decreasing the risk of venous insufficiency in a reverse sural artery flap

What does creating a pedicle width of 4 cm accomplish?

400

These two muscles must be retracted to expose the anterior tibial artery and vein in the lower leg

What are the flexor hallucis longus and the tibialis anterior muscles?

500

This is the most common variation of a flow through ALT flap 

What is the inflow via the proximal descending branch of the lateral femoral circumflex artery, and outflow via the distal descending branch of the LFCA

500

My favorite medications mechanism of actionWhat binds to antithrombin III, inhibiting thrombin and factor Xa

What binds to antithrombin III, inhibiting thrombin and factor Xa

500

This is the optimal timing to initiate dangling protocol according to multiple randomized control trials

What is this is a trick question. There is no optimal timing to initiate dangle protocol as this has not been well studied.

500

Historically injury to this nerve, located in this lower extremity compartment, and causing this symptom was an indication for amputation.

What is the tibial nerve in the deep posterior compartment causing loss of plantar sensation.

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