2026 FULL ANSWERS REVIEW GRADED A+
◉ Humeral shaft* fx:. Answer: MVC, fall, penetration injury, gunshot
wounds
*** radial n. damage
◉ Dx and Tx for humeral shaft tx:. Answer: dx: AP and lateral x-ray --
elbow and shoulder
tx: coaptation splint --
hanging cast, Sarmiento brace, or OR
◉ Supracondylar humerus fx:. Answer: all on the outstretched hand
with HYPEREXTENSION of the elbow
** brachial a. -- most spastic artery -- Valkamann ischemic
contractures // varus=gunstock or valgus deformities
◉ Fracture and dislocations of the hand:. Answer: boxer's fx
colles fx
gamekeeper's thumb
,◉ Explain Boxer's fx; Tx?. Answer: metacarpal neck of the 4th or 5th
finger
loss of the prominence of the knuckle
bunch to another's humans mouth -- tx with antibiotics -Eikenella
corrodens
tx: 25-30 degrees --ulnar splint f/o in 1-2 w
◉ What is the most common injury of the wrist?tx?. Answer: Colles
fx ***
fall onto the dorsiflexed hand --- "silver fork" deformity
distal radius fx with dorsal angulation
tx: cast
◉ diff collers fx vs. smith fx:. Answer:
◉ Explain Gamekeeper's thumb; tx?. Answer: sprain or tear of the
ulnar collateral ligament of the thumb; laxity -- weakness of pinch
,tx: complete rupture --surgery; partial -- thumb spica cast
◉ What is the most common fracture of the elbow in adults?.
Answer: radial head fx** --- fall outstretched hand
◉ Explain radial head injuries:. Answer: subluxation of the radial
head -- kids 4yo -- "nursemaid's elbow" -- excessive longitudinal
traction
◉ How do you dx radial head injury?tx?. Answer: AP/lateral films --
displacement of anterior "fat pat" and presence of a posterior fat pat
-- hemarthrosis
tx: "screwing" action - place the radial head back within the annular
ligament
◉ What bone is most commonly fx carpal bone?. Answer: scaphoid
(navicular) fx***
◉ Clinical features of scaphoid fx; tx?. Answer: can lead to avascular
necrosis; pain over anatomic snuffbox
X-ray -- can be negative - re-peat 2-3 w// Bone scan or MRI ***
should be order
, tx: long-arm spica cast -- referral to ortho; 1mm - ORIF
◉ Myocardial infarction. Answer: 12 lead EKG;
STEMI -- ST elevation in 2 leads
◉ Inferior MI:. Answer: II, III, aVF - RCA
◉ Tx for MI -STEMI:. Answer: Aspirin & clopidogrel
coronary angio and PCI -- 90min
thrombolytic therapy -- 3 hrs
◉ Hypertensive crisis. Answer: HTN urgencies -- 220/125-- reduce
BP within hours -- not to rapidly -- tx: sodium nitroprusside; if MI -
niroglycerin or BB
HTN emergencies -- diastolic >130-- reduce within 1 hr ** -end-
organ damage, optic-disc edema=papilledema
◉ What dz is the leading cause of death in hospitalized pt?. Answer:
PE