HWK SB5 (-6) Flashcards
W# HWK blocks (74-85,B1-B3) Missing blocks 74,75,76,77,78,79
what kidney condition will not improve w/ IVF?
hepatorenal synd
what do the labs look like in renal hypoperfusion?
- AKI
- decr uNa (<10 mEq/L)
- no casts, protein or blood in urine
when should you suspect prerenal cause of AKI?
- low BP
- dehydrated state
- BUN:Cr > 20
sudden onset resp distress (coughing, choking, wheezing) + air trapping on CXR are suspicious for what?
foreign body aspiration
what are the radiographical signs of air trapping?
unilat hyperinflation + mediastinal shift away from blocked side
what test confirms/tx foreign body aspiration?
immediate rigid bronchoscopy
how does fibromuscular dysplasia present on P/E?
- abd bruit
- subauricular bruit
what are 2 common presenting s/s in fibromuscular dysplasia?
- HA (2/2 internal carotid a. stenosis)
- 2* HTN (RAS)
what presents w/ internal male genitalia, external female genitalia, female phenotype @ birth and virulization @ puberty?
5-alpha-reductase def
why do m w/ 5-alpha-reductase def only develop internal male genitalia?
have T –> nL internal genitalia development
can’t make DHT –> no external genitalia or prostate development
what conditions can present w/ pulsus bisferiens (biphasic pulse)?
- severe AR
- HOCM
- large PDA
viral myocarditis + large pericardial effusion 2/2 viral infx both present w/ h/o recent infx, fatigue, SOB, incr JVP and cardiomegally. how do you distinguish the 2 on p/e?
viral myocarditis –> S3 + vasc congestion on CXR
Lg pleural effusion –> clear lungs + nonpalp PMI
what is erythema toxicum neonatum?
-benign neonatal rash w/ blanching red papules/pustules
how do you tx erythema toxicum neonatum?
you don’t. it’s seld-limiting and w/ resolve w/in 2 wks of birth
what is enthesitis?
achilles tendon inflammation/pain
outside of the triad (can’t see, pee, or climb a tree), what symp are common in reactive arthritis?
- enthesitis
- mucocutaneous lesions (oral ulcers)
when should you suspect reactive arthritis?
asymmetric oligoarthritis assoc w/ urethritis, conjunctivitis and/or mouth ulcers
what is the 1st line tx for reactive arthritis?
NSAIDS
how long does it usually take an MS flare to resolve?
days –> weeks
what LE condition can present like MS but resolves in a few hours?
common peroneal neuropathy (2/2 n. compression)
how does common peroneal neuropathy present?
- foot drop + decr sensation of dorsal foot and lat. shin
- decr dorsiflexion
- decr big toe extension
- nL plantar flexion
- nL DTRs
chlordiazepoxide and diazepam are C/I in ____?
liver dz
what are the IV benzos?
- lorazepam
- diazepam
- midazolam
what causes menieres dz?
incr vol or pressure of endolymph
how does menieres dz present?
- episodic vertigo
- sensorineural hearing loss
- tinnitis or ear fullness
what causes benign positional vertigo?
Ca debris in semicircular canals
how do you tx SSRI induced mania?
- D/C the offending SSRI
2. tx underlying bipolar disorder if needed
meth use during pregnancy can cause ___.
- spontaneous abortion
- pre-term labor
- IUGR
- pre-eclampsia
- placental abruption
randomization is use to control for what?
confounders during study design
when does selective survival bias occur?
- case control studies
- cases chosen from entire pop instead of newly dx cases only
how do simple renal cysts typically present?
- asymp
- can cause HTN, flank pain, hematuria, or proteinuria if very Lg
how do simple renal cysts look on imaging?
boring (round, monochromatic, unilocular)
how do malig renal masses look on imaging?
- multi-locular
- irreg walls
- thick septae
- contrast enhancement
which benzos do you give an alcoholic w/ liver dz?
LOT
Lorazepam
Oxazepam
Temazepam
what do you not do if you suspect a pt is presenting w/ toxic megacolon?
-colonoscopy
-enema
(both incr risk of perforation)
what are the most likely causes of brain mets?
lung > breast > unknown 1* > melanoma > colon
which Ca –> mult lesion brain mets?
- lung
- malig melanoma
what does lung Ca brain mets typically look like on imaging?
multiple well circumscribed lesions w/ vasogenic edema @ grey-white matter junction
how does toxic megacolon present?
- systemic toxicity (incr HR, low BP, F)
- bloody diarrhea
- abd distension/ peritonitis
- marked colonic distension on imaging
what is the MCC death in ESRD?
cardiovascular dz
cardiovascular dz vs infx account for what % of cause of mortality in ESRD?
cardiovasc = 50%
infx >20%
what cause of joint pain presents w/ F + D + wt loss + PAS+ staining mphages?
whipple’s dz
infx that causes malabsorption and arthritis
seeing straight gridlines are curved suggests what?
decr fine visual acuity 2/2 macular degeneration
when does the pt lose the right to refuse tx?
when doing so poses a serious threat to public health and wellbeing
which vessels are occluded if inferior MI?
RCA or LCX
STEMI leads 2, 3, avF. what additional findings would suggest RCA occlusion?
ST depression in leads 1 and avL
STEMI leads 2, 3, avF. what additional findings would suggest LCX occlusion?
ST elevations in leads 1 and avL
how do you distinguish between RCA and LCX occlusion w/ STE of leads 2, 3, avF?
look at leads 1 and avL
if elevated = LCX. if depressed = RCA
what clinical symp are associated w/ inf. STEMI?
low BP, low HR, AV block
what meds have been show to decr mortality in pts w/ severe PCP infx?
corticosteroids
when do you give corticosteroids in PCP?
paO2 < 70 mmHg on room air
A-a > 35 mmHg on room air
how do you manage uncomplicated low back pain?
- NSAIDS
- m. relaxers
* *continue nL/moderate activities
what gifts are OK to accept from a 3rd party?
gifts that are non-monetary, low value and of direct benefit to pts
what is the most likely cause of pancytopenia if no splenomegally and no abn cells on peripheral smear?
aplastic anemia
what will be found on P/E if pancytopenia is 2/2 myelofibrosis (i.e. incr collagen or reticulin deposition in BM)?
hepatosplenomegally (2/2 extramedullary hematopoeisis)
when is prosthetic joint infx more likely to be caused by s. aureus than s. epidermidis?
< 3mos s/p implantation
> 12mos s/p implantation
clinically, how can you distinguish s. aureus prosthetic joint infx from s epidermidis infx?
s aureus = SICK (F + hot, red joint)
s epi = nL looking pt w/ chronic pain
what meds are associated w/ acute angle-closure glaucoma?
anti-cholinergics used for parkinson’s dz
what is trihexyphenidyl?
- an anticholinergic used to tx parkinson’s dz
- can cause glaucoma
what are the clinical features of GAD?
- excessive, incontrollable worry (mult. issues) >= 6 mos
- physical s/s >=3 mos (restlessness, fatigue, irritability, decr concentration, muscle tension, sleep disturbance)
what are the physical manifestations of GAD?
- restlessness
- fatigue
- irritability
- decr concentration
- m. tension
- sleep disturbance
what is the sole focus of social anxiety disorder?
fear of negative evaluation by society
what do kids w/ GAD present w/ ?
GI upset
what is subconjunctival hemorrhage?
- completely asymp red eye 2/2 minor injury/bruising
- MC self-resolves in 24-28 hrs
how does glaucoma present?
- vision loss
- dilated pupils
- erythema
- hard on palpation
- incr IOP
in the 1st 2yrs s/p kidney transplant, what condition might occur leading to decr renal f(x)?
RAS of the allograft
how does RAS present?
- HTN
- decr renal f(x) w/ onset of ACEi use
- abd bruit
- recurrent flash pulm edema
how will pt present if kidney transplant rejection is occurring?
AKI + F + graft site tenderness
what are the steps for the precocious puberty w/u?
- xray (will see advanced bone age)
- check LH (incr LH = central PP)
- if decr LH, do GnRH stim test
(incr LH = central PP. decr LH = peripheral PP) - imaging (brain MRI for central. Abd CT/pelvic U/S for peripheral)
you should have high suspicion for what condition if pt has jejunal ulcers?
zollinger ellison synd
when should you suspect ZES?
- multiple refrac duodenal ulcers
- jejunal ulcers
- ulcers + chronic diarrhea
what causes malabsorption in ZES?
incr stomach acid –> inactivation of pancreatic enzymes
how does Gilbert syndrome present?
jaundice provoked by stress
gilbert synd and G6PD def both present w/ jaundice provoked by stress. how do you distinguish between the two?
G6PD def = hemolytic anemia (low Hgb, incr LDH)
Gilbert synd = inability to conj bili (nL Hgb, nL LDH)
what are the labs for Gilbert synd?
- incr total (unconj) bili
- nL direct (conj) bili
- nL LFTs
direct hyperbilirubinemias that present w/ nL AST, ALT, and ALP = ?
- Dubin johnson synd
- rotor synd
elevated conj bili in urine suggests what?
- defect in bilirubin excretion
- hepatobilliary dz
what is dubin johnson synd?
- benign hereditary condition
- defect in hepatic excretion of conj bilirubin
how does hemochromotosis present?
- fatigue, arthralgias, hyperglycemia, skin hyperpigmentation
- abn LFTs
which chronic liver condition leads to black liver w/ pigments on bx?
dubin johnson synd
which organs are typically affected by graft vs host dz?
skin, intestine, liver
what causes graft vs host dz?
donor T cells attack recipient major and minor HLA antigens