New Approaching the Core Exam: Content & Strategy · 2018. 4. 14. · Chicago • 560 spots •...
Transcript of New Approaching the Core Exam: Content & Strategy · 2018. 4. 14. · Chicago • 560 spots •...
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Approaching the Core Exam:Content & Strategy
Ben White, MD
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Disclosures
• I run a lightly-monetized website that discusses, among other things, radiology
• One time, the ABR sent me a threatening letter telling me to not use anything that had their logo (the ABR Mark™) on it, because you (a smart doctor) might spuriously think that I had a relationship with the ABR
• I have no official relationship with ABR and possess no insider knowledge
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LogisticsFamiliarity combats anxiety
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Registration
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Location (switches possible)
Chicago• 560 spots• Shuttle from hotel with “staging
room”• Easier flights
Tucson• 180 spots• 30 second walk• More limited flights (consider
phoenix)
You can fly out in the late afternoon / early evening no problem. The second day lasts ~5.5 hours.
https://www.theabr.org/diagnostic-radiology/initial-certification/diagnostic-radiology-initial-certification-abr-exam-centers
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Chicago
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Tucson
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The Experience
Source: ABR.org
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Duration
• 1 min per question
• Day 1: 6 hours questions + 30 min break + 30 min check-in = 7 hours• Day 2: 5 hours questions + 30 min break + 30 min check-in = 6 hours
• You can take breaks once you use up your break time, your exam time just continues to tick down.
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The Bathroom
To take a break, you just hit the “Take a Break” button and walk away
…but this guy is monitoring the potty
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Food
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Pro/cons of the ABR experience
Pros• No fingerprint• No check-in/check-out for
breaks• Free water
Cons• Creepy bathroom monitor• You travelled across the country
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Breakdown & difficulty
657 total questions (questions can double count)
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Historical Breakdown
Day 1• 360 questions• Breast, cardiac, GI, MSK, Neuro,
Peds• Nucs and NIS
Day 2• 297 questions• Chest, Repro/endo, GU, Vascular• Nucs and NIS
Originally: Organized one section at time
Last year: Jumbled but still divided into Day 1&2 breakdown
This year: ??
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Scoring• If you pass every category, your overall
result is “Pass.”
• If you fail 1-5 categories (<200 or <350 physics), your overall result is “Condition.”
• If you fail more than 5 categories, this exceeds the acceptable number of failed categories, and your overall result is “Fail.”
• The green bar (350) does not have any meaning with regard to passing or failing a non-physics section. It is a threshold identified by the ABR committee as a measure of competency.
• These numbers have NO USEFUL MEANING
• People only condition physics
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Modality Scoring• Modalities are sections too.
• Physics is the only section where the conditioning threshold is the same as the passing threshold.
• Everything else has the 200-350 cushion, which is why no one fails anything else
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No “curve”
• Grading is “criterion”-based and not “norm”-based.
• Theoretically, each question is fair and designed to be answerable by a proportion of “competent” radiologists
• The Angoff method:• a panel of “experts” grade each question with the proportion of minimally
competent examinees they estimate would get the question correct. • Sum of the averages of each question = raw score = passing threshold. • Sounds scientific
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Segue
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Content
• 40% easy, 40% reasonable, 20% BS or legitimately challenging
• 1-2 sentence question stems• Majority are 1 to 4 still images/slices• Ultrasound and (cardiac) MRI - CINE clips• Very few CT images with scrolling• ~10 linked question sets• Rare drop-down menu or matching
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Physics
• Most physics items practical and reasonable• What is this artifact? How could you fix the artifact?• How would you reduce dose?
• Do not focus on film-screen esoterica• Do focus on relationships (e.g. kVp, MAS, dose, image contrast,
spatial resolution). Linear or exponential?• Do focus on nucs microdetails including radionuclide safety
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Study Approach
• Limit your resources, don’t let gunners make you question your prep
• Don’t spend all day chasing zebras that aren’t classic Aunt Minnies.
• Esoteric knowledge may help with achieving a high score but it will never be necessary to pass an exam aimed at minimal competence.
• Don’t buffet-dinner your schedule and over-pack it
• No resource has a monopoly on radiologic pathology.
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Cases & Qbanks• A Core Review (n=9) = 4.6• Rad Cases (n=7) = 3.5• CTC Case Companion (n=9) = 4.3• Case Review Series (n=1) = 4• Cases in Radiology (n=0)
• RadPrimer• Qevlar• BoardVitals• Face The Core• Rock The Boards
Physics & NIS• War Machine• RSNA Modules• Huda• Radiographic MRI artifacts• Raphex tests
• ABR Syllabus• CTC• Stanford NIS Videos
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Test Day
• Don't overthink the questions. • Don't try to outsmart the test. • There are plenty of easy questions. • Be prepared to grab the points and run.
• Totally a thing:• Normal variants• Unusual, nonmalignant, or physiologic uptake on nucs• Classic things in weird views or modalities• Anatomy
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The beauty of multiple choice
• Recognize > Know
• Answer choice priming
• No “my differential is longer” contests
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Question stylesDifferent diagnoses lend themselves better to certain formats
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Aunt Minnies
• You know her when you see her
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Sturge Weber
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Infantile hemangioma
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Dermoid
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DVA
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Cavernoma
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Nonspecific to specific
• History• Special feature
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a) Adenoid cystic carcinomab) Benign mixed tumorsc) Carcinoma ex pleomorphic
adenomad) Mucoepidermoid carcinomae) Pleomorphic adenomaf) Warthin tumor
Warthin
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Rare: the oral boards ancillary finding
• Sometimes, you need a second separate finding to inform the first
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Scirrhous metastasis from breast cancer
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Scleroderma
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Anatomy & behavior
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Sialothiasis
Which gland is most commonly affected?
a) Sublingual glandb) Submandibular glandc) Minor salivary glandsd) Parotid glande) Von Ebner’s glands
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Epidural abscess
a) Subarachnoidb) Subduralc) Epidurald) Epiploice) Medullary
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MRI: when signal is everything
• Especially T1 and DWI
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Cholesteatoma
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Epidermoid
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Cholesterol granuloma
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Second order only for the super-easy
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Juvenile nasopharyngeal angiofibroma
Predominately nasal mass that originates at the sphenopalatine foramen and involves the pterygopalatine fossa.
Originates?a) Sphenopalatine foramenb) Pterygopalatine fossac) Middle meatusd) Fossa of Rosenmuellere) Kisselbach’s triangle
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May require thought
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Longus colli calcific tendinitis
a) Retropharyngeal abscessb) Pharyngeal sarcomac) Deep cervical fasciitisd) Ludwig Anginae) Longus colli calcific tendinitis
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Management
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Back pain
45-year-old male s/p MVC with mild midline reproducible back pain. Next step?
a) Flexion-extension viewsb) Oblique foraminal viewsc) CT thoracic spined) No further imaging
necessary
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Next step?
a) Drop the Mic.b) Document fracture in report.
Powerscribe sign.c) Call ordering provider and
document phone call using their full name and SSN
d) Call spine service directly because the midlevel in the ED is a dolt
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4-month-old male with head circumference greater than the 95th percentile. Normal development. What is the recommended course of action?
a) Investigate metabolic, toxic, and genetic causes for neurodegenerative disease.
b) Perform a lumbar puncture to confirm suspected meningitis.
c) Requires expectant follow-up only.d) Initiate an investigation for
possible physical child abuse.
BESSI
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GamesmanshipThey can’t outsmart you.You can only outsmart yourself.