3.28.17 Flashcards
who/what conditions are at high risk for colon cancer (4)?
- FMHx of adenomatous polyps or colorectal cancer (CRC)
- IBD
- familial adenomatous polyposis
- hereditary nonpolyposis CRC (Lynch synd)
IBD –> when start colon cancer screening? How often?
8yr after dx –> colonoscopy w bx –> every 1-2yr
Marfanoid body habitus –> what condition?
- Marfan synd
- homocystinuria
homocystinuria –> genetic disorder –> what type of heredity? enzyme def?
AR –> cystathionine synthase def
distinguishing features: Marfan synd vs homocystinuria
- Marfan: aortic root dilation
- homocystinuria: intell disability, thrombosis
child –> fair hair & eyes, dev delay, cerebrovasc accident –> condition?
homocystinuria
homocystinuria –> tx
- vitB6, folate, vitB12 –> lower homocysteine levels
- antiplatelet or anticoag –> prevent stroke, CAD, VTE
3yo F –> recurrent bact infect, severe periodontitis, marked leukocytosis –> condition?
leukocyte adhesion def
leukocyte adhesion def –> CBC findings?
marked leukocytosis w neutrophilia
leukocyte adhesion def –> 1st presenting sign
delayed umbilical cord sep
leukocyte adhesion def –> pt presentation
recurrent skin & mucosal bact infect:
- no pus
- poor wound heal
erlichiosis –> found in what part of USA?
- SE
- S central
erlichiosis –> pt presentation
- flu-like illness
- neuro ssx (confusion)
erlichiosis –> lab findings (4)
- leukopenia
- thromobcytopenia
- elevated LFT
- elevated lactate deH
erlichiosis –> tx
doxycycline
shoulder dystocia –> warning signs (2)
- prolonged 1st/2nd stage of labor
- turtle sign: fetal head deliver –> retract into perineum
42yo M –> iron def anemia –> most likely cause?
chronic GI blood loss
when is prosthetic joint infect early onset? delayed onset?
early onset: <3mo
delayed: 3-12mo
early onset prosthetic joint infect –> org?
virulent org –> Staph aureus, Pseudomonas
delayed onset prosthetic joint infect –> org?
less virulent org –> coag-neg staph
delayed onset prosthetic joint infect –> presentation
- chronic pain
- implant loosen
- gait impair
- sinus tract form
DM type I –> onset
bimodal:
- 4-6yo
- early puberty
what is: fetal growth restriction
US-estimated fetal wt <10th percentile for gestational age
symmetric fetal growth restriction –> onset?
1st trimester
symmetric fetal growth restriction –> etiology (2)
- chrom abnormal
- congenital infect
asymm fetal growth restriction –> onset?
2nd-3rd trimester
asymmetric fetal growth restriction –> etiology
utero-placental insuff –> ie HTN
charcot joint –> 3 major assoc conditions
- DM
- tabes dorsalis (3ary syphilis)
- vitB12 def
charcot joint –> pathophys
nerve damage –> decreased proprioception, pain, temp –> pt unknowingly traumatize wt-bearing joints –>
- 2ndary degen jt dz
- jt deformation
- fxal limitation
charcot joint –> imaging findings
- loss of cartilage
- osteophyte
- loose bodies
drug-induced acne –> common side effect of what drug?
glucocorticoids
definition: bacteruria
> 100,000 CFU/ml bact
preg –> why at increased risk of ascending infect (pyelonephritis)?
increased progesterone –> relax smooth muscle –> ureteral dilation
preg –> asymptomatic bacteriuria –> at increased risk for (2)?
- preterm labor
- low birth wt
chorioamnionitis –> dx
clinical dx:
- maternal fever
- > 1 of following: uterine tender, maternal/fetal tachycardia, malodorous amniotic fluid, purulent vag discharge
chorioamnionitis –> tx
- IV broad spectrum abx
- delivery –> oxytocin to accelerate labor
- antipyretic –> reduce maternal fever –> improve fetal tachycardia
bronchiectasis –> pathophys
infect + impaired bact clearance –> recurrent bact infect, inflamm, tissue damage –> bronchi thicken & dilate
recurrent dyspnea, fever, tenacious sputum, hemoptysis, crackles, digital clubbing –> condition?
bronchiectasis
succinylcholine –> type of drug?
depolarizing neuromusc blocker
why beware use of succinylcholine in burn pt?
burn injury, stroke, skeletal muscle trauma –> upreg postsynaptic ACh receptors –> succinylcholine –> bind ACh receptors –> K efflux –> severe hyperK –> cardiac arrythmia
DM –> small fiber injury –> type of ssx?
positive symptoms:
- pain
- paresthesia
- allodynia
DM –> large fiber injury –> type of ssx?
negative symptoms:
- numb
- loss of proprioception & vibration sense
- diminished ankle reflex
what is hydrogen breath test
test of lactose intolerance: ingest lactose –> measure increased breath hydrogen –> indicate bacterial carb metab
lactose intolerance –> test results of following:
- hydrogen breath test
- stool test for reducing subst
- stool pH
- stool osmotic gap
- hydrogen breath test: positive
- stool test for reducing subst: positive
- stool pH: low
- stool osmotic gap: increased
inflamm acne –> tx
topical retinoid + benzoyl peroxide
mod-severe inflamm acne –> tx
topical retinoid + benzoyl peroxide
+ topical abx
acne –> when use oral abx or isotretinoin?
severe/recalcitrant inflamm acne
neonate –> micrognathia, microcephaly, rocker bottom feet, overlapping fingers, absent palmar creases –> condition?
trisomy 18 (Edwards synd)
trisomy 18 (Edwards synd) –> cardio comp?
congenital heart dz –> #1 VSD
endometriosis –> definitive dx
laparoscopy –> visualize & biopsy endometrial implants
suspect endometriosis –> empiric tx
NSAID + oral contraceptive
suspect endometriosis –> empiric tx fail –> next step?
laparoscopy –> visualize & biopsy endometrial implants
endometriosis –> common sole presenting symptom
infertility
adnexal fullness on PE –> US –> ovarian cyst –> hyperechoic nodules & calcifications –> condition?
dermoid ovarian cyst (mature cystic teratoma)
dermoid ovarian cyst (mature cystic teratoma) –> dx
US –> ovarian cyst –> hyperechoic nodules & calcifications
dermoid ovarian cyst (mature cystic teratoma) –> comp
ovarian torsion
ovarian torsion –> typical presentation
acute onset unilat lower abd pain
possibly:
- N/V
- fever
when give anti-D immune globulin?
- 28-32wk gestation
- after delivery if baby Rh+
STD test –> +chlamydia, -gonorrhea –> pt asymptomatic –> tx
azithromycin only
pt w infectious mono –> difficult swallow, labored breathing, severe tonsillar enlrg –> comp most at risk for developing?
acute airway obstruct
pt w infectious mono –> difficult swallow, labored breathing, severe tonsillar enlrg –> at risk for acute airway obstruct –> tx
corticosteroid
pts at highest risk for osteomyelitis (3)
- IVDA
- sickle cell
- immunosupp
vertebral osteomyelitis –> onset
chronic (>6wk) & insidious w minimal ssx
most reliable sign for vertebral osteomyelitis
tender to gentle percussion over spinous process
vertebral osteomyelitis –> characteristic back pain
not relieved by rest
vertebral osteomyelitis –> most sensitive dx
MRI
terminal deoxynucleotidyltransferase (TdT) –> positive in what cell types (2)?
pre-B & pre-T lymphoblasts
lymphoblast –> +Tdt –> positive for what other immunostain?
periodic acid Sciff (PAS)
myeloblast vs lymphoblast –> difference in immunostain?
myeloblast: +peroxidase
lymphoblast: -peroxidase –> +PAS
5yo M –> hip pain –> most common cause
transient synovitis
transient synovitis –> tx
- rest
- NSAID
transient synovitis –> lab findings
usu no lab abnormalities
Marfan synd –> mutation?
fibrillin-1
sarcoidosis –> CXR findings
bilat hilar adenopathy
sarcoidosis –> tissue bx findings
noncaseating granuloma
when give HPV vaccine
- start age 11-12
- until age 26
sig smoking history & hyperCa –> CXR –> hilar mass –> condition?
squamous cell Ca
paraneoplastic synd seen in:
- squamous cell Ca of lungs
- small cell lung CA
- squamous cell Ca of lungs: PTHrP
- small cell lung CA: ACTH, SIADH
UA –> lrg amt of blood –> urine microscropy shows 0-1 RBC –> condition?
rhabdomyolysis –> myoglobinuria
penile fracture –> goes to ER –> pain, can’t urinate, swollen penis –> next step? why?
blood at meatus, dysuria, urinary retention –> suspected urethral injury –> retrograde urethrogram
vitiligo –> pathophys
autoimmune –> regional destroy melanocytes
vitiligo –> tx
topical or systemic corticosteroid
HSV encephalitis –> CSF findings (3)
- lymphocytic pleocytosis
- increased erythrocytes
- elevated protein
7yo M –> FOOSH –> supracondylar humerus fx –> complains of increasing pain despite mult doses of pain meds –> should be concerned about what?
cmpt synd
40yo F –> wt loss, lid lag, hand tremor, A-fib w RVR –> condition?
hyperthyroid
hyperthyroid –> A-fib –> tx
BB
healthcare worker never got HepB vaccine –> needlestick from pt w active HepB infect –> next step?
HB vaccine & HB immune globulin ASAP
HIV pt –> CD4 <50 –> bloody diarrhea –> condition?
CMV colitis
HIV pt –> CD4 <50 –> bloody diarrhea –> next step?
colonoscopy w bx –> look for CMV colitis
HIV pt –> CD4 <50 –> bloody diarrhea –> CMV colitis –> r/o what other condition?
ocular exam –> r/o concurrent retinitis
oxytocin –> AE (3)
- hypoNa
- hypotension
- tachysystole
what is uterine tachysystole
abnormally freq contractions –> >5 contractions in 10min
premature neonate –> comp (3)
- resp distress synd
- patent ductus arteriosus
- bronchopulm dysplasia
- intraventricular hemorrhage
- necrotizing enterocolitis
- retinopathy of prematurity
premature neonate –> how screen for intraventricular hemorrhage? why do a screen?
screen w serial head US
25-50% asymptomatic
premature neonate –> intraventricular hemorrhage –> comp? pathophys?
blood accum –> irritate arachnoid villi –> impair ability to absorb CSF –> hydrocephalus
premature neonate –> intraventricular hemorrhage –> how prevent IVH?
- prevent preterm labor
- antenatal corticosteroid
uterine fibroids –> dx
US
what is metatarsus adductus
congenital foot deformity –> medial deviation of forefoot
metatarsus adductus –> tx
resolve spontaneously
menstrual irreg, infertile, enlrg ovaries, acanthosis nigricans –> condition?
PCOS
PCOS –> tx
1st line: wt loss –> decreased peripheral estrogen conversion
wt loss unsuccessful: clomiphene citrate (SERM) –> induce ovulation
clomiphene citrate –> MOA
SERM
block estrogen receptor at level of hypothalamus –> inh neg feedback mech –> hypothalamus restore pulsatile GnRH secretion –> normalize LH, FSH level –> LH surge –> ovulation
traumatic head injury –> CT –> hyperdense football-shaped lesion –> condition?
epidural hematoma
traumatic head injury –> progressive lethargy –> CT –> epidural hematoma –> tx
symptomatic –> emergent neurosurg hematoma evacuation
52yo F –> gradual onset weakness of leg muscles –> several months can’t climb stairs –> no other problems –> condition?
polymyositis
polymyositis –> clinical presentation
- slowly progressive proximal weakness of LE
- no/mild muscle pain/tender
polymyositis –> dx? results?
muscle bx –> mononuclear infiltrate surrounding necrotic and regenerating muscle fibers
67yo F –> severe vulvar itch & burn –> thin, dry white plaque-like vulvar skin w loss of labia minora –> condition?
lichen sclerosus
lichen sclerosus –> pt presentation
vulva:
- intense pruritis
- white atrophic plaque –> “cigarette paper”
- dyspareunia
lichen sclerosus –> dx?
- clinical dx
- definitive dx: punch bx –> confirm dx & r/o vulvar SCC
lichen sclerosus –> comp?
premalig lesion for vulvar SCC
Paget dz of bone –> lab findings:
- Ca
- Ph
- alk phos
- urine hydroxyproline
- Ca: normal
- Ph: normal
- alk phos: high
- urine hydroxyproline (bone turnover marker): high
64yo F –> worsening focal back pain, bilat LE weak, sensory loss, gait ataxia –> condition?
spinal cord compression
spinal cord compression –> pt presentation (4)
- worsening focal back pain
- bilat LE weak
- sensory lsos
- gait ataxia
spinal cord compression –> can develop what in acute phase? What is a late finding?
acute phase –> spinal shock:
- absent reflex
- flaccid paraplegia
late –> bowel/bladder disturb
watery diarrhea –> 3 categories
- osmotic
- secretory
- fxal
secretory diarrhea –> hallmark
- lrger daily stool vol (>1L/day)
- occur even during fasting/sleep
how distinguish osmotic vs secretory diarrhea?
stool osmotic gap
osmotic: elevated
secretory: reduced
secretory diarrhea –> pathophys
luminal ion channels disrupted –> state of active secretion
pre-eclampsia –> definition
new onset HTN at >20wk gestation + proteinuria +/or end organ damage
pre-eclampsia w severe features –> what are severe features (4)
evidence of end organ damage:
- severe HA
- visual changes
- severe transaminitis
- elevated creatinine
HTN crisis –> 1st line drugs for BP ctrl (3)
- hydralazine
- labetalol
- nifedipine
what are the types of primary humor deficiencies? (5)
- X-linked agammaglobulinemia
- common variable immunodef
- IgA def
- hyper-IgM synd
- IgG subclass def
primary humor deficiencies –> clinical features
virus, encap bact –> sinopulm infect –> recurrent and/or severe
hyper-IgM synd –> lab findings:
- B cells
- IgG
- IgA
- IgM
- B cells: normal
- IgG: low
- IgA: low
- IgM: high
X-linked agammaglobulinemia –> lab findings:
- B cells
- IgG
- IgA
- IgM
- B cells: low or absent
- Ig: low
common variable immunodef –> lab findings:
- B cells
- IgG
- IgA
- IgM
- B cells: normal
- Ig: low
IgA def –> lab findings:
- B cells
- IgG
- IgA
- IgM
- B cells: normal
- IgA: low
IgG subclass def –> lab findings:
- B cells
- IgG
- IgA
- IgM
- B cells: normal
- IgG: low
fever & pulm ssx worsen after initial improve –> condition?
2ndary bact pneumonia after influenza
19yo M –> influenza –> 2ndary bact pneumonia –> org?
comm-acquired MRSA
19yo M –> influenza –> 2ndary bact pneumonia w comm-acquired MRSA –> clinical features (5)
rapidly progressive, necrotizing pneumonia:
- high fever
- productive cough (often hemoptysis)
- leukopenia
- multilobar cavitary infiltrates
greatest RF for cerebral palsy
premature birth
cerebral palsy –> usual cause
prenatal insult to brain development
cerebral palsy –> grp of synd characterized by?
nonprogressive motor dysfx
cerebral palsy –> #1 form seen in preterm infants
spastic diplegia
cerebral palsy –> 3 subtypes
- spastic
- dyskinetic
- ataxic
spastic diplegia –> presentation (3)
LE:
- hypertonia
- hyperreflexia
- equinovarus deformity
50% of cerebral palsy pts also have ___?
intell disability
cerebral palsy –> how are their mvmts?
voluntary mvmts:
- uncoordinated
- limited
suspected acromegaly –> preferred initial test
insulin-like growth factor 1
what is Wallenberg synd
lat medullary infarct
Wallenberg synd –> cause
occlusion of post inf cerebellar or vertebral A
Wallenberg synd –> clinical features (5)
- loss of pain/temp over ipsilat face & contralat body
- ipsilat bulbar muscle weak –> hoarse
- vestibulocerebellar impair –> vertigo, nystagmus
- Horner’s synd
- motor fx of face & body spared
what PFT result suggests asthma?
> 12% increase in FEV1
pt gets implantable pacemaker –> R heart fail –> should suspect what comp?
tricuspid regurg d/t direct leaflet damage or inadeq leaflet coaptation
tricuspid regrug –> type of murmur?
holosystolic
severe aortic stenosis –> PE findings (3)
- carotid pulse –> delayed & diminished
- soft S2
- mid-late systolic murmur –> max at 2nd R intercostal space
what is pulsus parvus and tardus? seen in what condition? what causes it?
severe aortic stenosis –> blood flow obstruct –> diminished & delayed carotid pulse
what causes S2 heart sound?
- mainly aortic (A2) valve closure
- pulmonic valve (P2) closure
why is S2 heart sound soft in severe aortic stenosis?
aortic leaflets –> thicken & calcify –> reduce mobility
term neonate –> polycythemia –> definition
> 65% hemotocrit
neonate –> polycythemia –> etiologies (3)
- excess transfer placental blood: delayed cord clamp
- in-utero hypoxia: maternal HTN, smoke
- poor placental gas exchange: maternal DM
neonate –> polycythemia –> ssx (4)
- usu asx
- resp distress
- hypoglycemia
- neuro ssx
vegans at risk for what vit def?
B12
vitB12 def –> ssx (2)
- anemia
- neuro comp
vegan –> fatigue & pallor –> started on folic acid –> fall & forgetfulness –> why?
vegan –> B12 def –> folic acid supplementation –> correct anemia –> but rapid progress of neuro comp
44yo M –> H&P, labs, abd US –> found to have cirrhosis –> should look for what else?
screen EGD –> esophageal varices
primary prophylaxis for esophageal variceal hemorrhage
- nonselective BB –> propranolol or nadolol
- endoscopic variceal ligation
who is at low (<10%) pretest probability of CAD (2)?
- any age –> asx
- <50 F –> atypical CP
pt w chest pain –> at low pretest probability for CAD –> next step?
no further dx testing for CAD
pt w chest pain –> at high pretest probability for CAD –> next step?
- start meds for CAD
- expert eval to consider coronary angiography
pt w chest pain –> at interm pretest probability for CAD –> next step?
EKG stress test
pericarditis –> EKG findings
diffuse ST segment elevations
chronic kidney dz –> chest pain –> condition?
uremic pericarditis
pericarditis –> what’s heard on cardiac auscultation?
friction rub
chronic kidney dz –> uremic pericarditis –> tx
hemodialysis:
- rapid resolve chest pain
- reduce size of any assoc pericardial effusion
clues to correct diagnosis of AD polycystic kidney dz (3)
- HTN
- palpable bilat abd masses
- microhematuria
AD polycystic kidney dz –> #1 extrarenal manifestation
hepatic cysts
gestational DM –> 1st line tx? 2nd line?
1st line: dietary mod
2nd line: insulin, metformin, glyburide
maternal gestational DM –> delivery –> shoulder dystocia –> initial management
- McRoberts maneuver –> flex hips toward abd
- apply suprapubic pressure
–> relieve almost half of shoulder dystocias w no further intervention
2ndary amenorrhea –> initial eval
- B-hCG –> exclude preg
- prolactin
- TSH
- FSH
erythema nodosum –> assoc w what conditions (6)
- strep infect
- sarcoidosis
- TB
- coccidioidomycosis
- IBD
- Behcet dz
erythema nodosum –> what imaging should be done? why?
CXR –> assess for sarcoidosis
Rotor’s synd –> pathophys
defect in hepatic secretion of conj bili into biliary system
positive urine bili assay –> indicates?
buildup of conj bili
smoker –> mild ssx –> small cell lung CA –> SIADH –> hypoNa –> tx
asx or mild symptoms –> fluid restrict
most accurate way to determine estimated gestational age
1st trimester US w crown-rump length
hereditary angioedema –> charact by (4)?
rapid onset:
- noninflamm edema –> face, limbs, genitalia
- laryngeal edema
- intestine edema –> colickly abd pain
no evidence of urticaria
hereditary angioedema –> pathophys
C1 inh def –> elevated edema-producing factors C2b & bradykinin
nasal polyps –> ssx (3)
- bilat nasal obstruct
- nasal discharge
- anosmia
nasal polyps –> assoc w what conditions (3)
- chronic rhinosinusitis
- asthma
- ASA-exacerbated resp dz: ASA/NSAID –> bronchospasm
45min ago –> ingest drain cleaner –> next step?
1st 12-24hr –> endoscopy –> assess severity of damage & guide further tx
uterine rupture –> presentation
- vaginal/intraabd bleed
- pain
- fetal distress/demise
uterine rupture –> PE findings
- abdominally palpable fetal parts at rupture site
- no presenting fetal parts vaginally
iron poisoning –> presentation (3)
- abd pain
- hematemesis
- metab acid
somatic symptom disorder –> management
regularly scheduled visits:
- est strong physician-pt relationship
- limit dx testing, referrals
42 F –> intermittent blood staining left bra –> normal PE & mammogram –> condition?
intraductal papilloma
intraductal papilloma –> clinical features (2)
- unilat bloody nipple discharge
- no assoc mass, LAD
42 F –> intermittent blood staining left bra –> normal breast exam –> next step?
mammogram –> r/o carcinoma (even w/out palpable breast mass)
intraductal papilloma –> mammogram finding
normal
1 brain tumor in children
low-grade astrocytoma –> particularly pilocytic astrocytoma
supratentorial tumor –> classic presentation (3)
- sz
- weak
- sensory change
post fossa tumor –> typical presentation
cerebellar dysfx –> ie ataxia, dysmetria
bedwetting is normal before what age?
5yo
chronic LBP –> 6 major causes
- mechanical
- radiculopathy
- spinal stenosis
- inflamm
- metastatic cancer
- infectious
chronic LBP –> d/t mechanical –> 2 types of mechanical LBP?
- muscle strain
- disc degen
chronic LBP –> d/t radiculopathy –> clinical features (3)
- radiate below knee
- positive SLR
- neuro deficits
chronic LBP –> d/t mechanical –> clinical features (2)
- normal neuro exam
- paraspinal tender
chronic LBP –> d/t spinal stenosis –> clinical features (2)
- pseudoclaudication
- relieved by leaning forward
chronic LBP –> d/t inflamm (ie spondyloarthropathy) –> clinical features (2)
- worse w rest, better w activity
- sacroiliits
chronic LBP –> d/t metastatic cancer –> clinical features (3)
- > 50yo
- worse at night
- not relieved with rest
chronic LBP –> d/t infectious –> clinical features (3)
- recent infect/IVDA
- fever
- focal spine tender
S4 heart sound –> assoc w what conditions (2)?
- V hypertrophy
- acute MI
S3 heart sound –> assoc w what conditions (3)?
- heart fail
- restrictive cardiomyopathy
- high output states
S3 heart sound –> normal in whom?
- child
- YA
- preg
S4 heart sound –> normal in whom?
healthy older adult
what creates S3 heart sound?
turbulent blood flow to ventricles d/t increased vol
what creates S4 heart sound?
blood forced into stiff ventricle
what should raise suspicion for HIT (2)
- > 50% decrease in platelets
- new thrombus in 5-10 days
HIT –> pathophys
autoAb to platelet factor 4 –> coat platelets:
- spleen –> remv these platelets –> thrombocytopenia
- platelets activate –> platelet aggregation –> arterial & venous thrombus
26yo F –> blurry vision in L eye –> light –> dilate –> condition?
optic neuritis
what is optic neuritis
inflamm (immune mediated) demyelination of optic N
optic neuritis –> who?
young F
optic neuritis –> assoc w what condition?
frequently heralding ssx of mult sclerosis
optic neuritis –> clinical features (5)
- acute onset monocular vision loss
- central scotoma
- afferent pupil defect
- “washed out” color vision
- pain w eye mvmt
COPD exacerbation –> cardinal ssx (3)
- increased dyspnea
- increased cough –> more freq/severe
- sputum –> change color/vol
COPD exacerbation –> tx
- short acting bronchodilator –> B2 agonist & antichol
- systemic glucocorticoids
- O2 –> sat 88-92%
- abx if >2 cardinal ssx
what is cor pulmonale
RV fail d/t pulm HTN caused by underlying condition
1 cause of cor pulmonale
COPD
solitary pulm nodule (SPN) –> definition
- rounded opacity
- <3cm
- completely surrounded by pulm parenchyma
- no assoc LN enlrg
solitary pulm nodule (SPN) –> next step for:
- lesion w high risk of malig
- low risk
- lesion w high risk of malig: surg excision
- low risk: monitor w serial CT
what is ASA-exacerbated resp dz (AERD)
pseudoallergic rxn to NSAID
ASA-exacerbated resp dz (AERD) –> typically occur in who (2)?
pt w comorbid:
- asthma
- chronic rhinosinusitis w nasal polyposis
ASA-exacerbated resp dz (AERD) –> presentation (3)
- asthma ssx –> cough, wheeze, chest tight
- nasal ssx: congest, rhinorrhea
- ocular ssx: periorbital edema
ASA-exacerbated resp dz (AERD) –> pathophys
ASA –> inh COX1 & 2 –> inh brkdown of arachadonic acid to prostaglandins (anti-inflamm) –> LOX –> arachdonic acid to leukotrienes (pro-inflamm)
dermatomyosistis –> assoc w what condition?
internal malig –> must do age-approp cancer screen
34 F –> amenorrhea –> chemotherapy 5 yr ago for non-Hodgkin lymphoma –> all else normal –> what condition? why?
ovarian fail d/t ctx –> ctx & rad also affect proliferating granulosa & theca cells of ovary
mammogram –> how often?
q2y
pap –> how often?
q3y
lipid panel –> how often?
q5y
mammogram –> who?
50-74yo
young adult –> liver dz & neuropsych ssx –> condition?
Wilson’s dz
preg at 35wk gestation –> urine leak w laugh/cough –> leakage has increased –> find nitrazine-positive fluid, low aminiotic fluid index –> condition?
preterm premature rupture of membrane
preterm premature rupture of membrane (PPROM) –> definition
<37 wk gestation –> rupture membranes before labor
preterm premature rupture of membrane (PPROM) –> management
- > 34 wk –> deliver
- <34 wk –> expectant management
abd succussion splash –> test for what condition?
gastric outlet obstruction
abd succussion splash –> how do you do this test? what is a positive test?
1) stethoscope over upper abd
2) rock pt back & forth at hips
–> splash sound –> indicate hollow viscus filled w fluid & gas
catatonia –> tx
- benzo
- ECT
thyroid storm –> triggers (5)
- thyroid/nonthyroid surg
- trauma
- infect
- iodine contrast
- childbirth
thyroid storm –> ssx (7)
- tachycardia
- HTN
- cardiac arrhythmia
- high fever
- tremor
- altered MS
- lid lag
what org (3) can cause retinitis in HIV pt?
- VZV
- HSV
- CMV
how differentiate VZV/HSV retinitis vs CMV retinitis?
VZV/HSV:
- severe, acute retinal necrosis –> pain
- keratitis
- uveitis
- fundoscopy: peripheral pale lesions, central retinal necrosis
CMV:
- painless
- no keratitis/conjunctivitis
- fundoscope: hemorrhage, fluffy/granular lesions around retinal vessels
COPD –> criteria for initiate longterm home O2 tx
- resting PaO2 <55 mmHg
- resting O2 sat <88%
R heart fail or hematocrit >55%:
- PaO2 <59
- O2 sat <89%
what is cutaneous larva migrans
creeping cutaneous eruption d/t dog/cat hookworm larva
how does cutaneous larva migrans occur?
contaminated sand/soil –> walk barefoot
cutaneous larva migrans –> ssx
- portal of entry –> pruritic papular lesion
- intensely pruritic, migrating serpiginous reddish-brown tracks
cutaneous larva migrans –> tx
ivermectin
something flew into eye while drilling –> normal penlight exam –> next step
fluorescein exam
toxic shock synd –> ssx (5)
- fever
- myalgia
- marked hypotension
- diffuse erythematous macular rash (erythroderma)
- can progress to multiorgan involvement
toxic shock synd –> assoc w (3)?
- tampon
- nasal packing
- post-surg infect
75 M –> routine checkup –> normal but high alk phos –> what condition?
Paget dz of bone –> #1 cause of asymptomatic elevation of alk phos in elder
dyspnea, S3 heart sound, bibasilar crackles, low EF –> what condition?
decompensated CHF d/t LV systolic dysfx
CHF ssx –> macrocytic anemia, thrombocytopenia, 2:1 AST:ALT, no CAD on angiography –> cause of CHF?
heavy alcohol –> dilated cardiomyopathy (alcoholic cardiomyopathy)
alcoholic cardiomyopathy –> what is most likely to reverse heart fx?
stop alcohol
what is malig HTN
severe HTN (>180/120) w:
- retinal hemorrhage
- exudate
- papilledema
76M –> substernal chest pain –> cardiac catheter shows significant coronary stenosis –> 5 hrs later –> 75/60 BP, 120 HR, diaphoresis, flat neck veins –> what condition?
retroperitoneal hematoma
retroperitoneal hematoma –> presentation
- sudden hemodynamic instability
- ipsilat flank/back pain
retroperitoneal hematoma –> how confirm dx
noncontrast CT abd/pelvis
OR
abd US
retroperitoneal hematoma –> tx
supportive:
- bed rest
- intensive monitor
- IV
- blood transfusion (if needed)
when need to deliver bad news –> should 1st assess what?
pt’s comprehension, fears, desire for info
premature atrial contractions found on EKG –> pt is asymptomatic –> tx
avoid precipitating factors:
- tobacco
- alcohol
- caffeine
- stress
premature atrial contractions found on EKG –> pt is symptomatic –> tx
BB
membranoprolif glomerulonephritis type 2 –> pathophys
C3 convertase Ab –> persistent activation of alt complement pathway –> kidney damage
membranoprolif glomerulonephritis type 2 –> microscopic finding
dense intramembranous deposits that stain for C3
what is mixed cryoglobulinemia synd? assoc w what condition?
immune complex deposition disorder
assoc w chronic hep C
mixed cryoglobulinemia synd –> presentation (5)
- fatigue
- palpable purpura
- arthralgia
- renal dz
- peripheral neuropathy
mixed cryoglobulinemia synd –> lab findings (5)
- serum cryoglobulin
- hypocomplement
- +RF
- elevated transaminase
- kidney injury
suspect mixed cryoglobulinemia –> what would be most helpful in establishing dx?
viral hep serology
neonate –> bilious emesis –> abd XR shows dilated bowel –> next step?
contrast enema –> determine level of obstruction
neonate –> bilious emesis –> d/t meconium ileus –> contrast enema will show what?
microcolon
status epilepticus –> what lead to what hallmark condition?
cortical laminar necrosis –> persistent neuro deficit, recurrent sz
6 hr postpartum –> lower abd pain –> hasn’t been able to void, persistent urine dribbling –> what condition?
postpartum urinary retention & overflow incontinence
postpartum urinary retention –> RF (3)
- prolonged labor
- perineal trauma
- regional analgesia
adol –> initial menstrual cycles –> irreg & anovulatory –> pathophys
immature hypothalamic-pituitary-gonodal axis –> insuff secrete GnRH
hiking this morning –> tick bite, tick still attached –> next step?
remv tick w small forceps
hiking this morning –> tick bite, tick still attached –> does pt require prophylaxis?
no –> only if tick attached >36hr
what is amiloride
K+ sparing diuretic
CMV –> what reduces risk of transmission?
good hygiene
preg –> CMV infect –> tx
no tx if infect develop during preg
when should suspect stroke?
sudden appearance of focal neuro deficit –> >24hr
1 cause of thrombotic ischemic stroke
atherosclerosis –> carotid, basilar, vertebral A
1 artery involved in embolic ischemic stroke?
MCA
stroke –> ACA –> ssx
weak –> contralal:
- face
- LE
- trunk
stroke –> MCA –> ssx (7)
- contralat hemiparesis
- contralat hemisensory loss
- hyperreflexia
- bilat visual abnormal
- contralat neglect
- aphasia (if dominant hemis)
- inability to perform learned axns (if nondominant hemis)
stroke –> PCA –> ssx
- contralat visual abnormal –> homonymous hemianopsia
- if bilat PCA –> blind
stroke –> basilar A –> ssx (7)
- CN abnormal
- contralat –> full body –> weak, decreased sensation
- vertigo
- loss of coordination
- difficult speak
- visual abnormal
- coma
stroke –> lacunar A –> 4 synd
- pure motor hemiparesis
- pure sensory stroke
- ataxic hemiparesis
- dysarthria clumsy hand synd
stroke –> lacunar A –> #1 synd
pure motor hemiparesis
pt has stroke –> when trt HTN? why?
do NOT trt HTN immed following stroke unless:
- > 220/120
- CAD
==> maintain cerebral perfusion
ischemic stroke –> when can do thrombolytic tx?
w/in 3 hr
ischemic stroke –> acute setting –> meds?
- antiplatelet (ASA) –> prevent additional stroke
- statin
pt has TIA –> what is 5yr risk of stroke?
30%
ischemic stroke –> 2 most important RF
- age
- HTN
what is amaurosis fugax
(example of TIA) transient, curtain-like loss of sight in ipsilat eye d/t microemboli to retina
TIA of carotid –> presentation (4)
- loss of speech
- contralat extremity –> paralysis/paresthesia
- 1 limb –> clumsy
- amaurosis fugax
TIA of vertebrobasilar system –> presentation (7)
- vertigo/double vision
- ipsilat face –> numb
- contral limbs –> numb
- dysarthria
- hoarse/dysphagia/projectile vomit
- HA
- drop attack
lacunar stroke –> pathophys –> what causes narrowing of arterial wall?
thickening of vessel wall (not by thrombosis)
predisposing factor for lacunar stroke
HTN (DM also important)
stroke: what causes global ischemia & infarct?
nonvasc cause –> low CO, anoxia
subclavian steal synd –> pathophys
proximal stenosis of L subclavian A –> exercise L arm –> retrograde flow from vertebral A to supply blood to arm –> “steal” blood from vertebrobasilar system
subclavian steal synd –> PE findings (3)
- BP: L arm < R
- decreased pulse in L arm
- UE claudication
stroke –> pure motor hemiparesis –> what area was affected?
lacunar A –> internal capsule
stroke –> dysarthria, clumsy hand –> what area was affected?
lacunar A –> pons
stroke –> pure sensory deficit –> what area was affected?
lacunar A –> thalamus
thrombotic stroke –> onset
rapid or stepwise –> classically –> wake from sleep w neuro deficits
stroke –> 1st imaging test
CT w/out contrast
stroke –> CT non-contrast findings
- ischemia: dark area
- hemorrhagic: white
stroke –> young pt (<50) –> RF (5)
- oral contraceptive
- hypercoag state –> protein C/S def, anti-PLP synd
- vasconstrictive drug use –> cocaine, amphetamine
- polycythemia vera
- sickle cell
carotid duplex US screen –> who?
all pts w:
- carotid bruit
- PVD
- CAD
what is mag resonance arteriogram for?
definitive test: head & neck vessels –> ID stenosis, aneurysms
stroke –> what comp can occur in 1-2 day?
cerebral edema –> mass effect
stroke –> cerebral edema –> tx
lower ICP:
- hypervent
- mannitol
ischemic stroke –> acute setting –> give antiplatelet –> what med is not given in acute setting?
anticoag –> no efficacy in acute stroke
ischemic stroke –> when trt w anticoag?
after acute setting if cause was emboli from cardiac source
lyme dz –> dx
- clinical diagnosis
- serology to confirm: ELISA –> western to confirm
lyme dz –> stage 2 –> may present w what conditions (5)?
- meningitis
- encephalitis
- cranial neuritis –> bilat facial N palsy
- peripheral radiculoneuropathy –> motor or sensory
- cardiac: AV block, pericarditis, carditis
HIV –> CMV –> disseminate –> what organ systems usu involved (2)?
- GI
- pulm
what is usu absent in CMV mononucleosis vs EBV mono (2)?
- cervical LAD
- pharyngitis
comm-acq pneumonia –> tx
3rd gen ceph (ceftriaxone) + macrolide (azithro)
OR
FQ (moxifloxacin)
post-viral –> CAP –> what org?
S aureus
COPD –> CAP –> what org?
H flu
fever + cough –> next step?
- CXR
- O2 sat
fever + cough –> cavitary lesion on CXR –> abscess –> tx?
3rd gen ceph + clindamycin
fever + cough –> negative CXR –> what condition?
bronchitis
bronchitis –> tx
- macrolide
- doxycycline
- FQ (moxi)
CAP –> classic presentation
sudden chill followed by:
- fever
- pleuritic pain
- productive cough
atypical pneumonia –> presentation
sore throat & HA –>dry cough, dyspnea
pt worried have pneumonia –> normal vitals –> how likely have pneumonia
<1%
pneumonia ssx, GI ssx, hypoNa –> what condition?
legionella pneumonia
legionella pneumonia –> who (4)?
- organ transplant
- renal fail
- chronic lung dz
- smoke
pneumonia –> comp (3)
- pleural effusion
- pleural empyema
- acute resp fail
heparin –> HIT –> CBC findings –> platelet count?
50% decrease
ankylosing spondylitis –> #1 extra-articular manifestation
eye:
- ant uveitis
- iridocyclitis
ankylosing spondylitis –> cardiac manifestation (2)
- AV heart block
- aortic regurg
ankylosing spondylitis –> comp (5)
- restrictive lung dz
- cauda equina synd
- spine fx –> spinal cord injury
- osteoporosis
- spondylodiscitis
sideroblastic anemia –> cause (4)
- drug/alcohol
- lead
- B6 def
- MPD
sideroblastic anemia –> type of anemia?
microcytic/hypochromic
difference –> case ctrl vs retrospective cohort
- case ctrl: outcome –> assoc RF?
- retrospective cohort: RF exposure –> outcome?
brain abscess –> classic triad
- fever
- severe HA –> nocturnal or morning
- FND
brain abscess –> RF (4)
- cyanotic heart dz
- recurrent sinusitis
- dental infect
- otitis media
MSK low back pain –> tx for acute pain?
- maintain mod activity
- NSAID/acetaminophen
- consider: muscle relaxant, spinal manipulation, brief course of opioids
MSK low back pain –> tx for chronic pain?
- intermittent NSAID
- exercise tx
- consider: TCA, duloxetine
MI –> cardiac catheter & stent –> R toe & all L toes blue –> what condition?
“blue toe synd”
“blue toe synd” –> pathophys
cardiac catheter & other vasc procedures –> disrupt atherosclerotic plaque –> chol crystals into circulation –> atheroembolism (cholesterol embolism) –> tissue/organ ischemia
atheroembolism –> clinical manifestations (6)
- blue toe synd
- livedo reticularis
- cerebral ischemia
- intestinal ischemia
- acute kidney injury
- Hollenhurst plaque
atheroembolism –> tx
supportive –> statin
what is: cell-free fetal DNA testing
maternal plasma –> test for fetal aneuploidy
cell-free fetal DNA testing –> who? when?
> 35yo preg –> increased risk of aneuploidy –> at >10wk gestation
cell-free fetal DNA testing –> abnormal –> next step?
confirm results:
- if at 10-12wk –> chorionic villus sampling
- if at 15-20wk –> amniocentesis
B2 (riboflavin) –> source (4)
- dairy
- egg, meat
- green veg
B2 (riboflavin) def –> ssx (4)
- angular cheilosis
- stomatitis/glossitis
- normocytic anemia
- seborrheic dermatitis
baby dies –> mother comes in for lactation suppression –> how? (5)
- supportive bra
- avoid nipple stimulation
- ice
- NSAID
M baby –> diag w cystic fibrosis –> GU comp? pathophys?
infertility: fetal genital tract –> inspissated mucus –> obstruct developing vas deferens –> congenital absence of vas deferens –> obstructive azoospermia
lip –> #1 malig
SCC
lip SCC –> most common location?
lower lip –> vermilion
skin SCC –> biopsy findings
invasive cords of squamous cells w keratin pearls
uncomplicated preterm premature ROM –> <34wk gestation –> next step?
conservative management –> continue in utero fetal growth:
- corticosteroid –> decrease risk of neonatal resp distress synd
- abx –> increase interval bw membrane rupture & delivery
preterm premature ROM –> when should deliver (3)?
- > 34wk gestation
- intrauterine infect
- deteriorating fetal/maternal status
methanol poisoning –> more severe conseq (2)
- vision loss
- coma
methanol poisoning –> fundoscopic finding
optic disc hyperemia
sickle cell trait –> renal comp (4)
- painless hematuria
- UTI
- renal medullary cancer
- inability to concentrate urine
sickle cell trait –> painless hematuria –> what condition?
renal papillary necrosis
postop comp –> atelectasis –> postop day?
2-3
constrictive pericarditis –> #1 cause in developing world
TB
constrictive pericarditis –> MC cause in US (4)
- virus
- cardiac surg
- chest rad
- idiopathic
constrictive pericarditis –> CXR finding
pericardial calcification
what is D-xylose test
test of proximal small intestine absorption:
- small intestine mucosal dz –> impaired absorption –> less in blood –> less in urine
- malabsorption d/t enzyme def –> normal absorption of D-xylose
cat scratch dz –> presentation
- mild papular/nodular skin lesion
- ipsilat regional LAD
62 F –> 5cm ovarian cyst found on US –> next step?
any ovarian mass in postmenopausal pt require investigation –> eval if mass is malig/benign –> CA-125 (marker for epithelial ovarian CA)
2 MC posterior fossa tumors in children
1) astrocytoma
2) medulloblastoma
medulloblastoma –> MC occur in what location? what does this location do?
balance & gait coordination
cerebellar vermis –> medulloblastoma –> ssx (3)?
- truncal or gait instability
- obstructive hydrocephalus (d/t proximity to 4th ventricle) –> ICP ssx
HA, HTN, hyperreflexia, +preg test –> what condition?
preeclampsia w severe features
preeclampsia at <20wk gestation –> comp of what condition?
hydatidiform mole
preeclampsia –> likely caused by what?
abnormal placental spiral A dev
pruritis, fatigue, hepatomegaly, +antimito Ab –> what condition?
primary biliary cholangitis
primary biliary cholangitis –> skin findings (2)
- pruritis
- xanthoma, xanthelasma
primary biliary cholangitis –> pathophys
autoimmune –> progressive destroy intrahep bile ducts
primary biliary cholangitis –> comp (3)
- malabsorption
- metabolic bone dz –> osteoporosis, osteomalacia
- hepatocell CA
primary biliary cholangitis –> tx? how does it help?
ursodeoxycholic acid –> delay progress
advanced dz –> liver transplant
LBP –> 3 MC causes
1) musculoligamentous
2) degen disc dz (osteoarthritis)
3) facet arthritis
disc herniation –> what worsens pain (2)?
- increase intraspinal pressure: cough, sneeze
- forward flex: sit, drive, lift –> worse leg pain
lumbar disc herniation & sciatica –> most pts need what tx?
majority improve w conservative tx
spinal stenosis –> what worsens pain? what relieves it?
- stand, walk
- back extend –> worse leg pain
better when bend, sit
lumbar disc herniation & sciatica –> tx?
conservative:
- anti-inflamm
- PT
- epidural steroid inject
lumbar disc herniation & sciatica –> when do surg (2)?
- conservative tx fail
- progressive neuro deficit
spinal stenosis –> #1 finding
neurogenic claudication
what is neurogenic claudication
radicular leg/butt pain –> pain, cramp, numb/paresthesia:
- worse when walk
- better when sit, forward flex
musculoligamentous strain –> typical HPI
episode of bend/twist –> lift heavy object –> feel back “give way” –> immed onset back pain
musculoligamentous strain –> referred pain?
muscle spasm –> butt –> upper post thigh –> knee level
vertebral compression fx –> who (2)?
- elder
- long term steroid
vertebral compression fx –> location of pain
- level of fx
radiate to:
- across back
- around trunk
vertebral compression fx –> tx
time to heal (6-8wk):
- brace
- analgesic
spine infect –> who (3)?
- IVDA
- dialysis
- indwelling catheter
epidural abscess –> tx?
surg decompression
epidural abscess –> when medical manage instead of surg?
- lumbar spine
- no neuro deficits
- no sepsis
spine infect –> #1 imaging
MRI
LBP –> conservative tx for how long before MRI?
3mo
Motor fx:
- L2
- L3
- L4
- L5
- S1
- L2: hip flex
- L3: knee extend
- L4: ankle dorsiflex
- L5: ankle/big toe dorsiflex
- S1: ankle plantarflex
cauda equina synd –> presentation
- severe back/leg pain
- bladder dysfx
- saddle anesthesia
cauda equina synd –> cause
lumbar spine –> severe stenosis (MC d/t acute disc herniation)
spontaneous 2ndary (complicated pneumothorax) –> cause
comp of underlying lung dz:
- # 1 COPD
- asthma
- interstitial lung dz
- neoplasm
- CF
- TB
spontaneous pneumothorax –> presentation
- ipsilat CP –> sudden onset
- dyspnea
- cough
tension pneumothorax –> cause (3)
- mech ventilation w assoc barotrauma
- CPR
- trauma
tension pneumothorax –> hypotension –> why?
great veins compressed –> impaired cardiac filling
suspect tension pneumothorax –> next step –> CXR or decompress? why?
med emergency –> can die of hemodynamic compromise –> inadeq CO, hypoxemia
==> needle aspiration —> chest tube
difference bw simple vs complex sz
- simple: intact consciousness
- complex: impaired consciousness –> postictal confusion
complex partial sz –> features (3)
- impaired consciousness –> postictal confusion
- automatisms
- olfactory/gustatory hallucination
what kind of sz has LOC?
generalized
what is salvage tx
tx for dz when standard tx fails
recurrent sinusitis & otitis, auditory canal ulceration, fatigue, anemia, microscopic hematuria –> what condition?
granulomatosis w polyangiitis
granulomatosis w polyangiitis –> presentation
- URTI
- LRTI
- glomerulonephritis
HIV pt –> altered mental status –> PCR of CSF –> EBV DNA –> what condition?
primary CNS lymphoma
primary CNS lymphoma –> MRI findings
solitary weakly ring-enhancing periventricular mass
32 F –> dyspnea, orthopnea, peripheral edema –> what condition is causing her ssx?
viral myocarditis –> dilated cardiomyopathy –> ssx of decompensated heart fail
hemorrhagic stroke –> putamen (basal ganglia) –> presentation? why?
injure adjacent internal capsule –> contralat hemiparesis & hemianesthesia
1 cause of spontaneous deep intracerebral hemorrhage
HTN vasculopathy –> small penetrating branches of major cerebral A
URI –> then fever, neck pain, tender goiter –> condition?
subacute (de Quervain) thyroiditis
subacute (de Quervain) thyroiditis –> pathophys
URI –> postviral inflamm process
subacute (de Quervain) thyroiditis –> tx
BB & NSAID