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UWorld facts
79
Medical
Graduate
07/07/2013

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Term
Criteria for supplemental o2
Definition
pao2 less than or equal to 55. O2 sat less than or equal to 88. Hematocrit 55% or higher. Evidence of Cor Pulmonale
Term
drugs causing esophagitis
Definition
tetracyclines, aspirin, many NSAIDs, alendronate, potassium chloride, quinidine, and iron
Term
zinc deficiency presents as...
Definition
alopecia, abnormal taste, bullous, pustulous lesions surrounding body orifices and or extremities, and impaired would healing. in children, it may also cause growth retardation.
Term
selenium deficiency presents as...
Definition
cardiomyopathy
Term
vit a deficiency presents as
Definition
blindness, dry skin, and impaired immunity
Term
putamen hemorrhage presentation...
Definition
most common site of hypertensive hemorrhage. internal capsule lies adjacent to the putamen and is almost always involved. hemiparesis, hemi-sensory loss, homonymous hemianopsia, stupod and coma. the eyes are deviated away from the paralytic side.
Term
cerebellar hemorrhage presents as...
Definition
ataxia, vomiting, occipital headache, gaze palsy, and facial weakness. There is no hemiparesis. Stupor or coma may ensue due to brainstem compression.
Term
pontine hemorrhage presents as...
Definition
deep coma and paraplegia that develop within a few minutes. pupils are pinpoint and reactive to light. Decerebrate rigidity. no horizontal eye movements.
Term
most dangerous complication of marfans and hypertension is?
Definition
aortic dissection, which can cause aortic regurgitation. Marfans is due to a defect in fibrillin. lax joints, long thin digits and limbs, blood vessel fragility, spontaneous pnumothorax, pectus excavatum, MVP and regurg, retinal detachment.
Term
best way to monitor respiratory function in those with Guillain-Barre is?
Definition
Vital capacity
Term
bitter almond breath is a sign of
Definition
cyanide. burning of rubber or plastic. other symptoms similar to carbon monoxide exposure.
Term
Psammoma bodies are found in...
Definition
PTC, Serous papillary cystadenocarcinoma of ovary, meningioma, malginant mesothelioma
Term
metastasis to brain
Definition
Lots of Bad Stuff Kills Glia. Lung, breast, skin (melanoma), kidney, GI
Term
metastasize to liver
Definition
Cancer Sometimes Penetrates Benign Liver. Colon, Stomach, Pancreas, Breast, Lung
Term
Cancers that metastasis to bone
Definition
P.T.Barnum Loves Kids. Prostate, Thyroid, Testes, Breast, Lung, Kidney.
Term
Schizophrenic patient that also has primary polydipsia and now has dry mouth because given which medication...
Definition
phenothiazines
Term
Intensifies kidney's response to ADH, causing water retention and effects similar to SIADH
Definition
Carbamazepine, NSAIDs
Term
Diagnosis of DKA and treatment?
Definition
3 of the following: blood glucose level >250, pH<7.3, low serum bicarbonate (<15-20), and detection of plasma ketones. IV NS and regular insulin. Then once glucose reaches 200-250, switch to D5% in 1/2NS with potassium.
Term
Adverse effects of Bicarbonate use? When is it used?
Definition
Bicarbonate use can cause cerebral edema in children. It can shift the oxygen dissociation curve to the left. It can lead to hypokalemia and alkalosis. It should only be used in severe acidosis (pH <7.1), plasma bicarbonate <5 or severe hyperkalemia.
Term
adverse affects of PEEP
Definition
alveolar damage, tension pneumothorax, hypotension
Term
uncomplicated cystitis defition? and first line treatment
Definition
healthy, young, nonpregnant. Oral TMP-SMX and nitrofurantoin
Term
complicated cystitis, definition and first line treatment.
Definition
pregnant, very old, very young, diabetic, immunocompromised, abdnomal anatomy. fluooquinolones like levofloxacin or ciprofloxacin.
Term
when is hydroxychloroquine used? and what's it's side effect
Definition
SLE when skin and joints are involved. But it causes retinopathy
Term
treatment of MS in acute situations? And to decrease recurrent exacerbations?
Definition
Steroids for acute symptoms. Reduce exacerbations by beta-interferons and glatiramer acetate in relapsing-remitting.
Term
acetaminophen overdose protocol
Definition
activated charcoal, measure serum acetaminophen levels at 4 hours, and give NAC if needed. Effective as long as NAC is given 8 hours since ingestion. Rumack-Matthew nomogram
Term
triad of disseminated gonococcal infection? what other screening test is recommended?
Definition
polyarthralgias, tenosynovitis, vesiculopustular rash. HIV screening. Don't get confused with septic knee due to gonococcus, this is disseminated!
Term
tick bite, systemic symptoms (fever, malaise, myalgias, headache, nausea and vomiting), leukopenia, thrombocytopenia, elevated LFTs. Intracellular inclusions (morulae) in WBCs.
Definition
Ehrlichiosis - tx with doxycycline. "spotless Rocky Mountain spotted fever"
Term
Drug of choice for pregnant woman with RMSF?
Definition
Chloramphenicol
Term
Drug of choice for Legionnaire's disease?
Definition
Erythromycin
Term
treatment for asymptomatic PVC? what are some first and second line treatments?
Definition
observation for asymptomatic. Beta blocker is first line treatment, and amiodarone is second line treatment.
Term
3/5 will cause metabolic syndrome, describe these..
Definition
waist circumference greater than 40 or 35 in men and women, HDL less than 40 or 50 in men and women, triglycerides greater than 150, fasting glucose greater than 100, BP greater than 130/80.
Term
when are nitrates not used?
Definition
aortic stenosis, recent phosphodiesterase inhibitor use, or right ventricular infarction.
Term
enterobiasis treatment? first line?
Definition
albendazole and mebendazole but should not be used in pregnancy. pyrantel pamoate is second line.
Term
Name some conditions that are associated with Hep C.
Definition
Cryoglobulinemia. MPGN. LP. PCT. B cell lymphomas. ITP. autoimmune disease like sjogren's and thyroiditis
Term
HSV encephalitis
Definition
temporal lobe. CSF PCR. Treat with IV acyclovir if suspected right away.
Term
empiric treatment for bacterial meningitis
Definition
ceftriaxone and vancomycin
Term
When deciding for the next step in management, what factor will help you decide between diagnostic confirmation vs treatment?
Definition
length of illness, progression, and severity of the current situation. LOOK AT TIME.
Term
drugs that cause cochlear dysfunction
Definition
cisplatin, carboplatin, aminoglycosides,
Term
drugs that cause optic neuritis
Definition
ethambutol and hydroxychloroquine
Term
drugs that cause peripheral neuropathy
Definition
phenytoin, isoniazid, vincristine, heavy metals, and chronic alcoholism
Term
monotherapy for acute migraine with vomiting?
Definition
prochlorperazine, chlorpromazine, metoclopramide
Term
anticoagulation criteria
Definition
CHADS2 score. congestive heart failure, hypertension 140/90, age >75, DM, prior stroke or TIA. 2-6 high risk and need to anticoagulate. score of 1 can use aspirin or anticoagulation.
Term
drugs for afib?
Definition
beta blockers or calcium channel blockers. digoxin if they have chf
Term
what is Iopanoic acid?
Definition
Contrast medium used in radiography. It has antithyroid effects by virtue of its iodine content. Decreases thyroid release and peripheral conversion of T4 to T3. Steroids prevent conversion too.
Term
Indications for TFT?
Definition
Hyperlipidemia (Increased LDL +- triglycerides). Hyponatremia (SIADH). High serum muscle enzymes (myopathy). Anemia
Term
Empiric treatment for community acquired meningitis in >55yo, or immunocompromised? for child younger than 3 months? for hospitalized patients after neurosurg?
Definition
Ceftriaxone, vancomycin, and ampicillin (covers SHN bacteria, strep pneumo is resistant to pen and cepholo. IV cefotaxime + ampicillin. IV ceftazidime + vancomycin (covers pseudo and staph)
Term
Treatment for Dermatitis Herpetiformis (DH)?
Definition
Dapsone. Not clear but is thought to be due to the drug's anti-inflammatory and immunomodulatory effects.
Term
Name the major side effects of cyclosporine?
Definition
Nephrotoxicity, hyperkalemia, hypertension, gum hypertrophy, hirsutism, and tremor. (nephrotoxic, neurotoxic, new growth- SCC, lymphoproliferative disease, gingival hyperplasia, hirsutism, hypertension, hyperglycemia)
Term
tacrolimus is similar to cyclosporin as they both work as calcineurin inhibitors. what is the side effect of tacrolimus.
Definition
More neurotoxic and nephrotoxic. but no hirsutism and gingival hyperplasia.
Term
major toxicity of azathioprine
Definition
dose related diarrhea, leukopenia, and hepatoxicity
Term
major toxicity of mycophenolate?
Definition
bone Marrow suppression
Term
primary parathyroidism vs familial hypocalciuria
Definition
both have elevated PTH and calcium. In Primary PTH, 24 hour urine Ca is >200mg. In familial hypocalciuric hypercalcemia, 24 hour urine Ca <100mg.
Term
Indications for surgery in primary hyperparathyroidism?
Definition
Symptomatic or Asymptomatic with one of the following:
1. Ca +1 above normal value
2. Dexa bone scan -2.5 in any one place
3. younger than 50 years old
4. GFR less than 60
Term
treatment for sporotrichosis
Definition
potassium iodine, itraconazole/fluconazole, amphotericin B
Term
condition that can cause bilateral trigeminal neuralgia?
Definition
MS
Term
What is the triad of glucagonoma? and treatment?
Definition
Hyperglycemia, weight loss, necrolytic migratory erythema. Surgically remove, not responsive to chemotherapy.
Term
myotonic dystrophy symptoms are?
Definition
muscular weakness, testicular atrophy, low testosterone and high FSH and LH.
Term
What is Jervell-Lange-Nielson syndrome and how do you recognize it? how do you treat it?
Definition
Congenital QT prolongation due to defects in ion channels. Deafness, syncope without confusion, arrythmias-torsades de pointes, autosomal recessive - family history of sudden cardiac death. Tx: Beta blockers.
Term
who gets seborrheic dermatitis
Definition
everyone can but seen in HIV and Parkinsonism. Central face, scalp, and places with sebaceous glands. fine loose waxy scales
Term
Medial cerebellar infarction (vermis)
Definition
vertigo and nystagmus
Term
lateral cerebellar infarction
Definition
dizziness, weakness, ataxia, and fall towards the side of the lesion
Term
name 5 causes of high output cardiac failure (circulation isn't able to meet the demands of the peripheral tissue)
Definition
Arteriovenous fistula, anemia, thiamine deficiency, thyrotoxicosis, and Paget's disease
Term
what are some causes of membranous glomerulonephritis
Definition
hep b, c, syphilis, penicillamine, gold, SLE, RA
Term
name some common reaction to HIV meds.
Definition
didanosine-induced pancreatitis
abacavir related hypersensitivity syndrome
Lactic acidosis secondary to the use of any NRTIs
SJS secondary to the use any of the NNRTIs
Nevirapine-associated liver failure
Crystal induced nephropathy with indinavir
Term
charcot-marie-tooth
Definition
Hereditary motor and sensory neuropathy. Painful spasmotic contractions. foot drop.
Term
Side effect of heparin in 80% of patients and 10% of patients?
Definition
elevated liver enzymes, and heparin induced aldosterone suppression (no production)
Term
treatment for hairy cell leukemia
Definition
cladribine
Term
CHOP regimen is used for?
Definition
non-hodgkin's lymphoma
Term
inflammatory myositis treated best with? Dermatomyositis and polymyositis
Definition
high dose corticosteroids
Term
treatment for GB ?
Definition
IVIG and plasmapheresis
Term
fluphenazine
Definition
typical antipsychotic. intramuscular injections given every 2-3 weeks. inhibits body's shivering mechanism and causes low temperature. ppl need to avoid cold temperatures.
Term
ppx for cluster headache

ppx for migraine headaches
Definition
verapamil, ergotamine, cyproheptadine.
Treatment for acute setting is 100% o2.

Can take amitryptiline or propanolol. treatment is NSAIDs or triptans. for n/v give chlorpromazine, prochlorperazine, or metoclopramide
Term
what is erythema toxicum and the treatment?
Definition
erythematous papules and vesicles surrounded by patches of erythema. pustules reveals numerous eosinophils. Self limiting condition found in newborns after the first 2 days of birth.
Term
SIADH and rheumatoid arthritis. what drug is causing SIADH
Definition
NSAIDs. it potentiates the action of ADH.
Term
what disease causes these symptoms? lethargy, decreased libido, osteoarthritis, hepatomegaly, and testicular atrophy
Definition
hemochromatosis
Term
treatment for pertussis
Definition
erythromycin
Term
common drugs that cause pancreatitis
Definition
1. diuretics - furosemide, thiazides
2. IBD - sulfasalazine, 5-ASA
3. immunosuppressive agents - azathioprine, L-asparaginase
4. bipolar disorder/seizure- valproic acid
5. AIDS- didanosine, stuvudine, pentamidine
6. antibiotics- metronidazole, tetracycline
Term
infants who are small for gestation age will present with...
Definition
hypoxia, perinatal asphyxia, meconium aspiration, hypothermia, hypoglycemia, hypocalcemia, polycythemia
Term
osler-weber-rendu. Autosomal dominant.
Definition
hereditary telangiectasia. epistaxis, telangectasis, AV malformations any organ. If you get AVM in lungs it can shunt blood and cause hypoxemia, it may also rupture and cause massive hemoptysis.
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