nbme 8 Flashcards
25 M non radiating chest pain smoked cocaine 30 min ago Hemodynamically stable EKG - 4mm STEMI V1-V4 Start nitroglycerine and?
Aspirin
NOT clopi
2 mo M
going to the beach for 2 weeks
Advise avoidance of sun advise what other protective measure?
Use of protective clothing
NOT sunscreen, contraindicated in kids under 6 mo
37 F increasing mentral pain x 1 yr regular 28 day cycles uterue is soft, tender, consistent with 8 week gestation and no adnexal masses Dx?
Adenomyosis
67 F Preop consult for lung surgery SOB climbing 1 flight of stairs x 4mo MI complicated by DVT 2 years ago 40 py hx FEV1 25% of predicted Venous u/s consistent with chronic DVTs Stress test - no reversible ischemia EF 40% Significant contraindication for surgery?
Pre-op eval:
- Cardio- goldmans EF < 35% MI in last 6 months
- Resp- PFT-
- Liver- Childs Pugh
- Nutrition- Prealbumin
- Metabolic- Diabetes DKA
PFTs
Gold’s criteria
52 M fever x 3 days fatigue weakness x 2 months Diffuse LN, palpable spleen HCT 26% WBC 22K, 25% lymph PLT 68K What is the mechanism of his illness?
Proliferatin of hematopoietic progenitor cells
NOT failure of pluripotent stem cells, EBV, BM fibrosis
87 M problems w/ memory x 6 months misplaces house keys, forgets items on grocery list no neuro findings MSE - aox3, 3 item recall intact Dx?
Normal aging
42 M SOB x 3 wks Breath sounds decrease over L hemithorax CXR - LUL mass Bx - uniform small round cells w/ darkly staining nuclei Tx?
Chemotherapy
Small cell - chemo
For lung masses, if they are large enough resect. Not likely to do radiation on the lung
9 M
recurrent cough x 4 months
Teachers say he is disruptive in class
Blinks frequently, facial grimacing, clears his throat frequently
Mom comments he started doing this 3 years ago and doesn’t do it all the time
Dx?
Tourette disorder
37 F irregular heavy vaginal bleeding x 6 months LMP 3 wks BMI 32 Uterus NL size, no adnexal masses TSH, prolactin WNL Next step?
Endometrial bx
NOT OCP’s, dx is still unclear
32 M
Severe throbbing HA x 3 months
6-12 hr, n/v, photophobia
Most appropriate prophylaxis?
Propanolol
7 Mpain and itching of the R ear x 2 days
Forward flexion of pinna = severe pain
Ear canal = erythematous, TM cannot be seen d/t purulent discharge in the ear canal
Next step?
Top abx
22 F nausea, diarrhea x 2 days T bili - 3.2 Indirect bili - 2.8 Why does she have hyper bili?
Deficiency of serum glucoronosyltransferase
52 M severe constant back pain while bowling 220/120, 102 Femoral pulses decreased WBC - 13.5K Pain does not resolve with SL nitro Does improve with IV morphine, lobetalol Dx?
Thoracoabdominal aortic dissection
37 F
12 days s/p orthotopic liver transplant d/t HBV
WBC - 8.5k, 75% PMNs
Alk Phos - 432
AST - 306
bx - mononuclear infiltrate w/ a significant number of eos in the hepatic triads
Dx?
Allograft rejection
9 F strange behavior x 6 mo taps feet 3 times when she has bad thoughts turns lights on and off habitually Tx?
Sertaline (SSRI)
19 M tonic clonic seizure x 20 min excessive thirst, urination x 6 months Na - 121 Sr Osmo - 250 Ur Osmo - 50 Dx?
Psychogenic polydipsia
57 F severe diarrhea x 6 d dx'd with diverticulitis x 2 wks levofloxacin x 10 days Why diarrhea?
Toxin-induced inflammation of the colonic mucosa
52 F T1DM painless lesion on foot x 1 wk No ankle reflexes, sensation to pain and touch absent to the knee How did this happen?
Abn pressure distribution caused by sensory neuropathy
37 F PMH - asthmas 40 py smoking hx Meds - NSAIDs, inhaled isoetharine, OCPs BMI 22 Best recommendation to prevent a stroke?
D/c OCP’s
F >35 w/ smoking hx
37 F bloody discharge from L breast x 2 mo bloody dc can be expressed from the L nipple Mammo - WNL Dx?
Intraductal papilloma
37 F
intermittent pens and needles in R hand x 6 months
resolve after shaking her hand
Becoming more frequent
Pain, temp decreased over R thumb, index, middle fingers
Next step?
Use of wrist splint
Study demonstrates a 50% reducting in fx with drug X vs placebo. Which piece of data are they referring to?
Relative risk reduction
NOT absolute risk reduction
72 M DOE x 6 mo 96 p yr hx, coal miner digital clubbing SPO2 88% CXR - b/l upper lobe masses and areas of consolidation Dx?
Pneumoconiosis
77M
PPD > 15 mm
CXR - WNL
Next step
Tuberculosis:
PPD
AFB+ RIPE
AFB- CXR+ Isoniazid B6
Isoniazid, vitamin B6