EXAM 2025 QUESTIONS AND ANSWERS
52 yo man - 6 hrs after onset of severe, epigastric abd pain
> began at cocktail party
> was there for 4 hrs - 3 martinis, lot of food
PMHx: HLD (statin)
100.4F
104/min
150/92 mmHg
PE: diffuse tenderness over upper quadrants BL - esp epigastrium; no guarding/rebound
labs: WBC WNL, BR 3 (direct 2.4), alk phos 210, AST 325, ALT 360, amylase 1200, lipase 600
most likely cause of symptoms? - ANS common bile duct obstruction
choledocholithiasis = stone in CBD
lipase high so think pancreatitis
2 MC causes: alcohol and gallstones
if alcoholic cause - the AST should be higher than ALT (A Scotch and Tonic)
abd pain that started right after eating a lot of food > think gallstones
he also has PMHx of HLD - another RF for pancreatitis
42 yo man - 30 min after onset of gen weakness, SOB, severe abd cramps, sweating
> began while gardening
1
99.2F
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, 52/min
RR: 24/min
98/60 mmHg
POx: 98% RA
PE: diaphoresis, excessive lacrimation, 2 mm pupils reactive to light; diffuse wheezes; abd - no
tenderness; muscle strength 4/5 in ext - muscle fasciculations; DTRs 2+; no Babinski; intact sens
after decontamination - most app tx to immediately relieve current symptoms? -
ANS administration of atropine
homeboy was gardening - exposure to spray insecticides (aka organophosphates - AChE
inhibitors)
> these can cause acute cholinergic toxicity = DUMBBELLS (diarrhea, urination, miosis/muscle
weakness, bradycardia/bronchorrhea, emesis, lacrimation, sweating/salivation)
pralidoxime regenerates AChE at musc/nic receptors - only peripheral
> useless once aging of bonded complex has occurred
atropine reverse peripheral and central musc toxicity
54 yo - 2 hrs of chest pain, SOB, nausea
> began while sitting/working at desk
> 1 episode of vomiting
> pain 7/10, radiates to shoulders, "pressure"
3 similar episodes during past 3 months
> occurred on exertion, resolved after 15 min of rest
PMHx: HTN, T2DM
meds: ASA, metformin, enalapril
SHx: smokes 1 pack qd 30 yrs
98.6F
90/min
20/min
154/85 mmHg
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POx: 99%
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, PE: gucci
labs: WNL (including trop)
ECG, CXR: gucci
ED course: ASA, NTG, morphine administered > 15 min later, pain is now 2/10; pt being
observed; repeat trop 4 hrs later WNL; symptoms have resolved
most app next step in mgnt? - ANS myocardial perfusion testing within 3 days
trops aren't elevated and pt is stable - okay to d/c him and f/u really soon
he has RFs for CAD and has had similar episodes of chest pain in the past
this episode is diff bc occurred w/o exertion - suggesting the etiology has gotten worse
2014 AHA guidelines:
1. for patients with possible ACS who have *normal serial ECGs and cardiac troponin levels*: it
is reasonable to obtain a treadmill ECG (level of evidence: A), stress myocardial perfusion
imaging, or stress echocardiography before discharge or within 72 hours after discharge (level
of evidence: B).
> our guy falls under this category due to his prior episodes
2. in patients with possible ACS and a normal ECG, normal cardiac troponin levels, and no
history of coronary artery disease (CAD): it is reasonable to initially perform (without serial
ECGs and troponin levels) coronary computed tomography angiography to assess coronary
artery anatomy (level of evidence: A) or rest myocardial perfusion imaging with a technetium-
99m radiopharmaceutical to exclude myocardial ischemia (level of evidence: B)
47 yo - 1 hr after can of gas exploded 5 ft from him
> pain/loss of hearing in R.ear
ED: mild distress
98.8F
90/min
14/min
120/80 mmHg
PE: abrasions over R.face/neck/upper chest; blood in ext auditory canal; swelling/ecchymosis of
R.pinna; can't hear whispered voices; L.ear - gucci
3
most likely explanation of symptoms? - ANS rupture of the tympanic membrane
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, blast injuries - potential cause of barotrauma
barotrauma = results from the air pressure wave generated by an explosion
> rapid pressure change allows no time to equalize the pressure
> potential injuries: bruising of the eardrum, bleeding into the drum and middle ear, eardrum
rupture, ossicular disruption, and inner ear injury resulting in dizziness and tinnitus
13 yo - 30 min after fell off sailboat into freshwater lake
> underwater for about 2 min
> rescued - cyanotic and unresponsive
> began coughing/breathing again after mouth2mouth
ED: awake/alert; mild SOB and cough
98.6F
108/min
20/min
93/45 mmhg
POx: 94% RA
PE: mild wheezes; no signs of ext trauma
CXR: mild diffuse int markings
most app next step in mgnt? - ANS admission to the hospital for observation
I guess you don't give assisted ventilation until O2 really drops - UTD suggests maintaining SpO2
> 94%
> if needs oxygen - give noninvasive positive-pressure ventilation via BLPAP or CPAP
def needs hospital admission bc CXR looks junky and currently has SOB/cough
> make sure she doesn't develop ARDS
~ can develop insidiously over next 72 hrs
~ monitor closely for dyspnea, cough, crackles, and cyanosis
26 yo female - 2 hrs of SOB and mod R.chest pain
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> SOB when walking up flight of stairs this morning and walking w/ friends at mall earlier
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