Smartbook Flashcards
Augmentin (Amox + clav)
Best broad spectrum antibiotic for peds pts
myringotomy
tube in tympanic membrane for recurrent otitis media
c diff dx
toxin in stool
c diff tx
metronidazole
c diff toxins
toxins
a: attrack neutrophils
b: destroy cells by chomping up actin
hemophilia c
factor XI def
pilocytic astrocytoma prognosis
surgery cures kids of this brain tumor
periventricular calcifications
CMV
ependymoma population / histology
brain tumor in kids, pseudo rosettes
meduloblastoma population, location, histology
brain tumor in kids, cerebellum, homer-wright rosettes
pasamoma bodies
papillary thyroid CA, papilary serous cystadenoma of ovary, Prolactinoma, Papillary renal cell CA, memingioma, mesothelioma
schwannoma histology
two regions:
antoni A palisading nuclei around pink verocay bodies
antoni B short myxoid, loose
wallenberg syndrome
lateral medula, PICA, vestibular (vomiting, nystagmus), ipsi horners, ipsi face P/T, contra body P/T, ipsi cerebellar ataxia
eaton lambert syndrome
auto antibodies against presynaptic Ca++ channels in NMJ; paraneoplastic syndrome of small (oat) cell lung CA
paraneoplastic symptoms of small cell lung CA
ACTH, ADH, Eaton Lambert
squamous cell lung CA; histology and paraneoplastic syndrome
keratin pearls, desmosomes; PTHrP
hennoch shoenlein purpura
IgA, C3 deposits in skin (butt), abdominal pain, joint pain
wegners (polyangiits with granulomatosis)
common cause of saddle nose; oronasopharynx, lungs, kidney; tx: cyclophosphamide
PSGN EM deposit location, blood finding
sub-epithelial deposits, decreased C3
AML (M3) / APML
Causes DIC, Auer rods, t(15;17), Tx: ATRA
Tx for measles
ATRA
MInimal change dz population, tx
most common nephropathy in kids, Tx: corticosteroids
Hyaline arteriolosclerosis in diabetes vs. HTN
Diabetes aff and eff arterioles of kidney; vs. aff only in HTN
Don’t give antibiotics in this disease
mononucleosis; will cause rash!
pseudotumor cerebri
increased CSF pressure; side effect of tetracycline, OCP, vit. A
psyllium
Fiber for GI disease (?)
theraputic trial
using a drug as a test to find out if someone responds
ketoconazole??
not used in candida esophagitis; instead use flucanazole
mature defense mechanisms
SASH: Sublimation, Altrusism, Suppression, Humor
Kallman syndrome
failure of GnRH cells to migrate to hypothalamus; anosmia + low LH, FSH, T
Association with Polyarteritis nodosum
HEP B!!!!!
Renal cell CA
mahogany color on gross; clear cell most common from the prox convoluted tubule; EPO
nerve running in piriform recess
interior laryngeal nerve; cough reflex
spleen location (ribs)
8-10
kidney location (ribs)
10-12 (remember CVA!)
Stains for fat
osmium, sudan stain, oil red
Vit E function
antioxidant; deficinecy–> oxidative stress
cyclophosphamide side effect (and how to prevent)
hemorrhagic cystitis (prevent with Mesna)
granuloma inguinale
finidng in Klebsiella
turner’s syndrome
45 XO, high arched palate, STREAKED OVARIES, preductal coarctation of the AO, wide nipples, short
loeffler’s
eosinophilia due to parasite infx, specifically in heart causes restrictive cardiomyopathy
MI histology at 4-12 hours
edema, punctuate hemorrhages, contraction bands
MI Tx
MONA: Morphine, Oxygen, Nitrates (not nitroprusside), Aspirin
MAC/ MAI features
HIV pts with low CD4 count, grows at 41 deg C, reticuloendothelial cells
MAC / MAI prophylaxis and Tx
Px: Azithromycin, Tx: Azithromycin plus…ethambutol etc
Pneumocystis pneumonia PCP/ PJP Px and Tx
TMP/SMX, second line is dapsone (watch for G6PD)
Toxo Px and Tx
Px: TMP/SMX, Tx: Pyramethamine / Sulfadiazine
Foster kennedy syndrome
Frontal, midline meningioma –> anosmia
PCP (drug) finding
vertical nystagmus
A-a gradient calculation
PAO2 = 150- (PaCO2/.8)
where A means Alveolar and a means arterial
rT3
inactive version of thyroid hormone; made accidentally in conversion of T4 –> T3 in periphery; tracks with T4
TIBG increases in response to
Estrogen, so increase in total T4, but not free T4 so no Sx
mTOR pathway drugs
Tacrolimus and cyclosporine inhibit IL-2 production; sirolimus inhibits IL-2 signaling within the cell
seborrhea
dandruff in Vit A excess
H flu requires
factors V (NAD+) and X (hemin), can use hemolysis from Staph aureus or grow on chocolate agar
h flu types
encapsulated HiB causes meningitis (vaccine from capule), untypable causes otitis media
what do Eos secrete to kill helminthes
major basic protein
one tx for multiple myeloma
thalidamide
ligament of treitz
hold up the end of the duodenum, marks beginning of jejunum
primary HSV 1 infx
fever, lymphadenophathy, sore throat, swollen gums, Tzanck smear with dark inclusions in multinucleated giant cells
rabies affects which parts of brain
most inflammation in medulla, but negri bodies in hippocampus and purkinje fibers of cerebellum
syphillis (t pallidum) Dx
dark field microscopy, but probably won’t find; VDRL = anti cardiolipin antibodies screening test; ?FTA ABS = confirmation test, anti treponemal antibodies
causes of post op fever
Wind (lung collapse) water (UTI) wound (takes a few days)
Tx for tPA overdose
Aminocaproic acid (inhibits plasminogen–>plasmin)
contraindications for tPA
HTN >180/110, hx of hemorrhagic stroke, ischemic stroke within 1 yr, dissecting aneurysm
dermatitis herpatiformis
IgA mediated, diarrhea related; Celiac, Crohn’s
erythema nodosum
big pimple assoc w SARCOID, crohn’s, fungal infx
What does insulin do?
BRINGS K INTO CELLS! Also sugar, but whatevs
At risk for sulfa rxn? What to avoid in kidney
THiazide and loop diuretics
Causes of anion gap acidosis
MUDPILERS Methanol Uremia Diabetic ketoacidosi Propylene glycol Isoniozid / Iron tablets Lactic acidosis Ethylene glycol --> oxylate crystals Rhabdo Salicilates
Causes of non-anion gap acidosis
HARDASS Hyperalimentation Addisons disease Renal tubular acidosis Diarrhea Acetazolamide Spironolactone Saline infusion
peroxisomes
alpha oxidation of VERY long fatty acid chains, and branched fatty acid chains (pytanic acid); deficiency is zelwegger’s sndrome
long chain fatty acid breakdown
carnetine shuttle, b oxidation
med-chain fatty acid breakdown
acyl CoA Dehydrotase deficiency
centrilobular necrosis of liver
acetamenophen tox
sarcoidosis tx
corticosteroids
ADPKD
also shows up in liver
Stroke histology
red neurons; microglia come in and eat up the dead cells
PCOS
increased estrogen; hirsutism
diabetes in lens
glucose —A—> sorbitol —B—> fructose
A: aldose reductase
B: sorbitol dehydrogenase
membranous nephritis EM /IF
Spike and dome
IgA deposits in kidney
mesangial
Kawasaki
young kids, bilateral conjunctivitis, red tongue, desquamative rash on hand and feet; Tx: ASA + IVIG
Kawasaki tx
Tx: ASA + IVIG
Methylmalonyl CoA mutase
last step before fatty acid enters kreb cycle – and ISOMERIZATION (mutase); def = methylmalonic acid uria
Crohn’s tx
corticosteroids, infliximab
pulmonary fibrosis is a side effect of
methotrexate, bleomycin, amiodarone
radionucleide biliary scan
inject stuff into ampulla and try to visualize gall baldder
neutropenia Sx
mouth ulcers! infections, fever
ticlopidine
anti ADP platelet drug; side effect of neutropenia; used in acute coronary syndrome, coronary stenting
pentamidine
tx for african sleeping sickness, leishmania, PCP/PJP