Blood Vessels Flashcards
COX2
inducible
Aspirin
irreversibly inhibits COX 1 and 2
derivates of common cardinal veins
SVC
derivative of truncus arterious
pulmonary trunk
ascending aorta
derivative of dorsal aorts
descending aortic a.
Conn’s Syndrome
primary hyperaldosteronism
when you correct DKA
decrease ketone bdies = increase bicarb
k intracellular shift = hypokalemia
plaque - proliferation
platelets
PDGF, TGF-beta
plaque -SMC
MIGRATE from media to intima
Type 1 Dyslipidemias
no atherosclerosis
abd pain (pancreatitis)
maybe xanthomas
due to LPL def (chylomicrons)
Type 2 Dyslipidemias
no LDL receptors
atherosclerosis
tubulars xanthomas, corneal arcus, xanthelasma
Type 3 Dyslipidemias
VLDL overproduction
pancreatitis
transmural inflamm of arteries with fibrinoid necrosis
polyarteritis nodosa
varicose veins
increased lower extremity venous pressure
manifestations of poor blood flow from varicose veins
superficial venous thrombosis stasis dermatitis skin ulcerations superficial infections poor wound healing
positive FTA-Abs
syphilis
amlodipine is a
CCB
strawberry hemangiomas
children
cherry hemangiomas
adults
nitroprusside AE
cyanide toxicity
treat with sulfur
IVC formed by
union of common iliac veins
age related HTN due to
decrease compliance of aorta (aorta stiffening)
isolated systolic HTN
bile acid binding resins AE
hypertriglyceridemia
phenoxybenzamine
irreversible alpha 1 and 2 antagonist
cliostazol
phosphodiesterase inhibitor (inhibits platelet aggregation) arterial vasodilator for intermittent claudication
dipyramidole
phosphodiesterase inhibitor (inhibits platelet aggregation) arterial vasodilator for intermittent claudication
great saphenous vein graft
inferiorlateral to pubic tubercle
steady state concentration in first order kinetics
reach in 4-5 half lives
niacin mofa
inhibit hepatic VLDL production
inhibits lipolysis in adipose tissue
treatment for hypercholestermia
1) statin
2) ezetimbie
treatment for hypertriglyceridemia
1) fibrate
2) niacin
1st pharyngeal arch
maxillary artery
CN V
2nd pharyngeal arch
stapedial and hyoid aa
CN VII
3rd pharyngeal arch
Common Carotid a.
proximal portion of Internal carotid a.
CN IX
4th pharyngeal arch
left - aortic arch
right - proximal part of right subclavian a.
CN X - superior branch
6th pharyngeal arch
ductous arteriousus
CN X - recurrent laryngeal branch
CYP450 inducers
BullShit CRAP GPS induces my rage
Barbituates, St john’s wort, carbamazepine, rifampin, alcohol, phenytoin, griseofulvin, phenobarbital, sulfonylurea
CYP450 inhibitors
VICKS FACE All Over GQ stops ladies in their tracks
Valproate, isoniazide, cimetidine, ketoconazole, sulfonamides, fluconazole, alcohol (acute), chloramphienicol, erythromycin, amiodarone, omperprazole, grapefruit juice, quinidiine
orthostatic hypotension
understimulation of alpha one receptors
2nd pharyngeal arch - muscles
facial expression
3rd pharyngeal arch - muscles
stylopharyngius
4th pharyngea arch - muscles
pharynx, soft palate
some laryngeal
6th pharyngeal arch - muscles
larynx
niacin induced skin flushing and warmth due to
prostaglandins
capsaician
reduces pain in PNS by decreasing substance P
plaque rupture
MMPs
increased CK means
cell membrane damage
IVC filter
prevents DVTs
losartan
angiotension receptor blocker
which arteries does polyarteritis nodosa tend to spare?
pulmonary aa
glomangioma
under nail bed
modified smooth muscle cells, invovled in thermoregulation
subungal melanoma
under nail bed
pigmented
myxomatous changes means
cystic medial degeneration
fenoldapam
selective D1 receptor agonist
causes arteriolar dilation
streptokinase SE
hemorrhage
Low Vd
large molecular wt, charged molecules (hydrophilic), bound to plasma proteins
high vd
small molecular wt
lipophilic/hydrophobic/uncharged
saddle nose
wegners
weak UE pulses
takayasa arteritis
efficacy
effect
potency
dose
genomic imprinting mofa
methylation (add methyl groups to cytosine residues)
ACEI induced renal failure due to
efferent arteriolar dilation
Ephinephrine effects on HR
dose dependnet, B1
Epinephrine effects on SBP
increases
B1 and alpha1
Epinephrine effects on DBP
decrease with low dose: B2>alpha1
increase with high dose: alpha1>B2
onion like concentri thickening of arteriolar walls
malignant htn
NE extravasation
increase alpha1
vasoconstriction
necrosis
oseltamivir
neuroaminidase inhibitor
inhibits virion particle RELEASE
Trisomy 18
rocker bottom feet, clenched hands
polyhydraminos
acyclovir
guanosine analog
activated by thymidine kinase
cystic hygroma
neck mass in turners syndrome
Foscarnet mofa for different viruses
bind DNA polymerase in HSV
binds RT in HIV
inferior thyroid a close to what nerve?
recurrent laryngeal nerve
recurrent laryngeal nerve innervates
everything except crycothyroid
superior thyroid a close to what nerve?
superior laryngeal nerve
superior laryngeal nerve innervates
cricothyroid
mono also associated with
nasopharyngeal carcinoma
cricothyotomy
go thru cricothyroid membrane
congenital torticollis due to
intrauterine malposition
high frequency sounds heard
base of cochlea (near oval and sound windows)
thin, rigid basilar membrane
low frequency sounds hear
apex of cochlea (near helicotrema)
Weber Test
foreheard
louder sound on one side is abnormal
localize with conductive, opposite with sensineural
Rhine Test
normal – hear better at external auditory meatus
abnormal - hear better at mastoid process
abnormal in affected ear with conductive hearing loss
Conductive Hearing Loss
Rine test would be abnormal in affect ear
Weber would localize
Sensineural Hearing Loss
Rhine test would be normal in both
Weber would localized to unaffected ear
loud noise damages
organ of corti
pterion
near middle menigeal a which is branch of maxillary
bruises
petechiae < purpura < ecchymoses
acantholysis
pemphigus vulgaris
melanocytic nevus
mole
ephelis
freckle
psoriasis
decrease granulosum
increased spinosum
seborrheic keratosis
stuck on/brown
Pemphigus vulgaris
IgG against desmosomes
acantholysis
often begins in mouth
urticara
dermal edema
Bullous Pemphigoid
IgG against hemidesmosomes (not in mouth)
IgA at tips of dermal papillae
dermatitis herpetiformis
erythema multiforme
associated with infections (HSV, mycoplasma)
melanocytes
neural crest origin
apocrine glands
malodorous
actinic keratosis
basal cell atypia, hyperkeratosis and parakeratosis
Lichen Planus associations
Hep C
lymphocytes at dermal-epidermal junction
sunburn due to
UVB
UVA
tanning, photoaging
PABA esters
only effective against UVB
basal cell carcinoma
sun exposed areas
palisading nuclei
doesn’t metastasize
squamous cell carcinoma
keratin pearls
can spread to lymph nodes
melanoma
BRAF kinase mutations
S-100 marker
melanoma - risk of malignancy
vertical growth/depth
vemurafenib
BRAF kinase inhibitor
breast retraction
coopers ligament infiltration
naficillin use
skin and soft tissue infections
no MRSA
Isotretinon
synethic isomer of ATRA
avoid pregnancy
Calcipotriene
vit D analog (VIT d is nuclear transcription factor)
topical corticosteroid use causes
atrophy of dermis
keloids
excessive collagen formation
contact dermatitis
spongiosis
terbafine
inhibition of sqalene epoxidase
foreign body causes
granulomatous inflamm
VZV histo
multinucleated inclusion bearing giant cells
lepromin skin test
CD4 Th1 response
+ tuberculoid leprosy
xanthelosma
also in PBC due to increased cholesterol
Tumor Suppressor Genes
P53, Rb, BRCA1, APC
Oncogenes
Abl, C-myc, L-myc, N-myc, RET, HER2/neu, bcl2
Glioblastoma multiforme
pseudopalisading necrosis - necrosis
Anaplastic
complete lack of differentiation
no resemblence to original tissue
giant cells
Peau d’ orange
lymphatic obstruction
follicular lymphoma - symptoms
indolent
remissions and recurrences
dysplasia
reversible
Rb
regulates G1–>S
hyperphosphorylation inactivates
bromodeoxyuridine
high grade/poor prognosis in brain cancer
MRD1
Pglycoprotein
ATP dependent efflux pump
likes hydrophobic compounds
Angiogenesis
VEGF
FGF
Invasion
decrease E cadherines
increase MMPs
Cachexia
TNF alpha
Oral Contraceptives
decrease risk of ovarian and endometrial cancers
Ovarian cancer risk decreased by
oral contraceptives
multiparity
breast feeding
Adhesion
integrins bind to fibronectin, collagen, laminin
Her2Neu
intracellular tyrosine kinase activity
EGFR (increased cellular proliferation)
CD8 toxicity
apoptosis
apoptosis
capases = cysteine-aspartic acid proteases
MTX
folic acid analog
inhibits dihydrofolate reductase
myelosuppresion rescue with folinic acid
leucovorin
folinic acid
5-FU
pyrimidine canlog
rescue with thymidine
Cytarabine
pyrimidine analog
6MP
purine analog
activated by HGPRT
metabolized by xanthine oxidase
Dactinomycin
intercalates in DNA
Wilms tumor, Ewings sarcoma, rhabdomyosarcoma
Doxorubicin
intercalates DNA
cardiotoxicity
Dexrazoxane
prevent doxorubicin toxicity
Bleomycin
DNA breaks
testicular cancer, Hodgkins
pulmonary fibrosis
Cyclophosphamide
alkylating agens
mesna to prevent hemorrhagic cystitis
Nitrosoueas
CNS tumors
alkylating agents
Busulfan
alkylating agent
pulmonary fibrosis toxicity
Alkylating agents
cyclophosphamides, nitrousoureas, busulfan
Purine Analogs
6MP, fludarabine, cladribine
Pyrmidine analogs
5FU, capecitabine, cytabine, gemcitabine
Vincristine/Vinblastine
alkloids, M phase, inhibits MT polymeraziation
neutrotoxicity
Paciltaxel
hyperstabilize microtubules
ovary, breast carcinomas
M phase
Cisplatin/carboplatin
cross link DNA
nephrotoxicity
acoustic nerve damage
Cisplantin - prevent toxicity with
amifostine and aggressive hydration
Etoposide
inhibits top II
Tamoxifen
SERM
Trastuzumab
her-2
rituximab
CD20
bevacizumab
VEGF
cladribine
purine/adenosine analog
hair cell leukemia
Rabies Vaccine
killed vaccine
anorectal carcinoma
HPV
CD 14
monocyte/macrophage lineage
sarcoidosis response
TH1
FAD needed for
succinate DH
MG - type of hypersensitivity
type II