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Local anesthetics work by binding of the cationic form of the molecule to transmembrane sodium receptors in the inactivated-closed state. More importantly, remember max dosing is 4-4.5 mg/kg lidocaine and 2-2.5 mg/kg bupivacaine without epi. #absitequestionoftheweek
#absitequestionoftheweek The mechanism of action of local anesthetics is best described as (answer choice is in this format - Binding of ______ form of local anesthetic to ______ receptors):
#absitequestionoftheweek The mechanism of action of local anesthetics is best described as (answer choice is in this format - Binding of ______ form of local anesthetic to ______ receptors):
#absitequestionoftheweek A 10-year-old girl presents with a solitary left-sided submandibular neck mass that has been present for a month. It is nontender and initially grew over the course of 2-3 days and then has not grown further. The most likely etiology of this mass is:
#absitequestionoftheweek Correct! Lefort II does not include the mandible. Check their vision, CNs, and airway. Management = internal fixation.
(πΈ: @UWRadiology)
Tune in Wednesday afternoons for a new question each week!
#absitequestionoftheweek Le Fort II fracture entails injuries to all of the following EXCEPT
#absitequestionoftheweek In the first 24 hours, plasmatic imbibition keeps skin grafts alive. This process, which traces its origins from plant biology, is when normal skin surrounding the graft transfers nutrients via plasma which forms a layer between the two.
#absitequestionoftheweek How does a skin graft survive within the first 24 hours?
#absitequestionoftheweek How does a skin graft survive within the first 24 hours?
#absitequestionoftheweek Excellent job! Carotid endarterectomy has no benefit if the carotid is completely occluded as collaterals have already developed. Below image is courtesy of @gmdoherty showing the steps of a CEA. @AccessSurgery @MHMedical
#absitequestionoftheweek Carotid endarterectomy:
#absitequestionoftheweek Carotid endarterectomy:
Great job! In this stable patient with RICA dissection after blunt injury, completing the workup of associated injuries and medical management of the dissection are more appropriate than proceeding to the operating room for neck exploration and repair. #absitequestionoftheweek
#absitequestionoftheweek A 22yoM presents to ED after being struck in the neck with a baseball bat. Initial VS: GCS 15, P 96 bpm, R 16, and SBP 125. Arteriogram is performed and reveals a right internal carotid artery dissection.
Initial mgmt includes all the following except:
#absitequestionoftheweek A 22yoM presents to ED after being struck in the neck with a baseball bat. Initial VS: GCS 15, P 96 bpm, R 16, and SBP 125. Arteriogram is performed and reveals a right internal carotid artery dissection.
Initial mgmt includes all the following except:
#absitequestionoftheweek Of the following, the groin hernia that is most likely to incarcerate and strangulate is a:
#absitequestionoftheweek The least common reason for recurrence of a groin hernia within the first year after repair is
#absitequestionoftheweek Shouldice repair = 4-layer suture. Absolute contraindication to lap hernia repair is intolerance of general anesthesia. The one most got incorrect - MRI is more sensitive than CT scan. See the attached photos of a fluid collection not detected on CT.
#absitequestionoftheweek A four-layer, suture repair of an inguinal hernia is a
#absitequestionoftheweek A four-layer, suture repair of an inguinal hernia is a
#absitequestionoftheweek Poupart's ligament derives from the aponeurosis of the external oblique. The Ilioinguinal nerve travels with, but external to, the spermatic cord. Hesselbach's triangle is bordered by the inguinal ligament, rectus abdominis, and inferior epigastrics.
#absitequestionoftheweek Poupartβs ligament is composed of fibers from which muscle aponeurosis?
Are you on a 14 day #covid19 self-quarantine? Spend that time wisely, studying for ABSITE... #absitequestionoftheweek! #medstuds these questions are level appropriate for you this week!
#absitequestionoftheweek Which of the following is one of the three borders of Hesselbach's triangle?
#absitequestionoftheweek Which of the following is one of the three borders of Hesselbach's triangle?
#absitequestionoftheweek Which nerve travels with the spermatic cord, entering the inguinal canal at the internal ring, and exiting at the external ring?
#absitequestionoftheweek Poupartβs ligament is composed of fibers from which muscle aponeurosis?
#absitequestionoftheweek There IS a/w cigarettes and pancreatic cancer! Recurrent episodes of abdominal pain and pancreatitis are MC sx of IPMNs. GOO in the presence of unresectable pancreatic cancer is best treated by gastrojejunostomy. [Image of Whipple] https://t.co/dTK4TCRmrJ
![ABSITEQofWeek's tweet photo. #absitequestionoftheweek There IS a/w cigarettes and pancreatic cancer! Recurrent episodes of abdominal pain and pancreatitis are MC sx of IPMNs. GOO in the presence of unresectable pancreatic cancer is best treated by gastrojejunostomy. [Image of Whipple] https://t.co/dTK4TCRmrJ https://t.co/oI9gGCXYCC](https://pbs.twimg.com/media/ESnLAYiWoAErxvT.jpg)
#absitequestionoftheweek Which of the following statements about pancreatic adenocarcinoma is false?
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