cvs 14 Flashcards
partial agonist nictone R
verinicline
patial agonist on opiod rec
buprenorphine
buterphenol
bblockers with intrinsic sympathomymetic activity
Pindolol
acebutolol
Hematuria after DAYS vs WEEKS of infection
days — IgA nephropathy
weeks— RPGN
erysipelas vs cellulitis
erysipelas —- superficial surface epithelial layers
cellulitis — deeper, painful warm swollen skin inf
unilateral honey crusted lesions
impetigo —- GABS s pyogenes
triggers for cellulitis
disruption of the skin barrier
cellulitis in s. pyogenes
NON purulent
NO fluctuating nodules
cellulitis in staph aureus
purulent cellulitis
fluctuating nodules
erythema
can lead to abcess
virulence factor of staph aureus in cellulitis
Panton Valentine Leukocidin
virulence factor for GABS strept pyogene that inhibits phagocytosis
M protein
IgA protease
Strept pneumo
Hemoph
Influenza
Nisseria
protein A
staph A
binds Fc of IgG
M protein
- alpha helical coiled protein
- homology with myosin and tropomyosin (epitope same as host)
- extends from cell wall and prevents phagctsis
- classical complement pathway dsnt get activated
valves involved in RF rhematic carditis
M A T
antobodies are made against protien M — molecular mimicry — also against…? more specific name
N acetyl-beta D glucosamine
name different types of pericarditis
Fibrinous Serous Suppurative Hemorrhagic Caseous
causes of Fibrinous pericarditis
rheumatic fever
SLE
Radiation
post MI
post MI pericarditis can be of two forms which are?
1-3 days —neutrophils infiltration — fibrinous
>1 month —- dressler — autoimmune
causes of Serous pericarditis
effusion
RFever/SLE
uremia
Viral —– coxsackie – pericarditis myocarditis and endocarditis
causes of suppurative pericarditis
BACTERIAL inf
causes of hemorrhagic pericarditis
TB
blood
malignancy —– MELANOMA
causes of caseous pericarditis
TB
JVP modification in cardiac tamponade
loss of Y wave
becks triad
hypotension
muffled heart sounds
pulsus pardoxus
what can be some causes of pulsus paradoxus
CAPTO Croup Asthma Pericarditis Tamponade Obs sleep apnea
how can asthma lead to pulsus paradoxus
obstructive lung dsease—– cor pulmonale
causes of sudden cardiac death
V arrythmia
Brugada — AD , pseudo RBB v1-v3, asian mexican
Long long QT synd
RomanoWard syndrome
AD
mutation in Ik channels
Jervell and Lnge Nielson synd
AR
senosrineural hearing loss
Bcateria that can cause myocarditis
Borrelia burdorferi / mycoplasma pneumonia
viruses that can cause myocarditis
coxsackie/ adenovirus/ hhv6/ hiv/ parvo b19
adenovirus mnemonic
Acute hem cystitis/ acute viral myocarditis Ds Dna/ Diarrhea Eye ( pink eye conjunctivitis) Non enveloped DNA / NEMONIA O V I R URTI S
parasitic cause of myocarditis
T. cruzi
Toxoplasma gondii
histology of viral myocarditis
myofibrillary necrosis and inflammatory cells LYMPHOCYTES MACROPHAGES
what growth media is used for mycoplasma
EATON agar
cholestrol … fried egg app
M pneumonia has an additional finding of ?
diarrhea
organisms with not a rigid cell wall
Chlamydia Ricketsia ricketsie Ehrlichia Anaplasma Mycoplasma/ureaplasme
treatmetn for atypicals
Macrolides — block translocation
tetracyclines —- inhibit aminoacyl t rna sythesis at A site
what antigen is present on mycoplasma>
where else can u find this antigen
I antigen an oligosaccharide
on RBCS
mechanism of AIHA in mycoplasma
IgM antibodies are made against the I antigen
whch is also presnt on RBCs
this causes RBC damage
normocytic anemia with reticulocyte count>3
specific mannifestations of chagas
T cruzi
vector —- reduvid bug , kissing bug coz painless
Romana sign — periorbital edema
dialated CM
mega esoph — achalasia— myenteric auerbach plexs
mega colon
which bug has a painful insect bite
TSE TSE fly
T. BRUCEI
what can be seen on microscopy of t cruzi
mastigoites
tropomastigoites
treatment for t cruzi
benznidazol
nifurtimox
toxoplasma gondi is heterophile ..?
-VE
toxoplasmosis mannifestations
MRI — multiple ring enhancing lesions
mononucleosis like symptms
cat feces contain toxoplasmosis
congenital toxoplasmosis
obligate intracellular protozoa TRIAD- choriretinitis hydrocephalus intracranial calcifications ----- can lead to seizures
new born baby has triad of
catarct, deafness and machine like murmur
mother has - multiple joint pain
RUBELLA
seizures chorioretinitis and periventricular calcifications
CMV
treatment of toxoplasmosis
Pyrimethamine ( DHFR -)
Sulfadiazine ( dihydropteroate synthase -)
connection from lateral ventricles to third V
foramen MONRO
3rd to fourth V
cerebral acqueduct
other causes of Myocarditis
RF
SLE
KAWASAKI
drugs taht can cause RF
Doxo / Dano
cocaine
trastuzumab
what is special about transtuzumab
reversible damage to heart
normal function of HER 2 neu
reduces oxidative stress
Libman sac endocarditis
in SLE
Both sides of the valve
SLE —-> LSE —–> shrinking lung syndrome
fibrosis of the pleura tooo
other findings in RF excet JONES
subcutaneous nodules
erythema marginatum — margins form a ring
syndenham chorea— choreiform movements
specific txt for syndenham chorea
haloperidol
antipsychotic
prevention of RF can be done by
penicillin
histo of RF can show
aschoff bodies —- granulomatous GIANT cells
with wavy ribbon/ rod shaped nuclei —- anitshkow cells
also a +ve ASO titre
chronic rheumatic fever can lead to
endocarditis
GABS can cause PSGN too
can this be prevented by penicllin
nO
type III hypersensitivity reaction
SHARP SLE / serum sickness HSP / HSPN Arthus reaction RPGN PSGN/PAN
two conditions that are SEVERE in adults but not so severe in children
RPGN
ITP
what is the immunofluorescence apperance in RPGN
lump bumpy
starry sky
deposition of IgG IgM and C3b ALLONG the basement membrane
consumes C3 and cola colour urine
subepithelial deposits
PSGN and membranous
subendOthelial
DPGN MPGN
BERGER disease
IgA nephropathy
linked to HSP
DAYS after infection **
MESANGIAL immune complex depositon plus prliferation
how is the platelet count in HSP
NORMAL
SLE can present as nephritic and nephrotic syndreom
nephritic —– DPGN
nephrotic —– membranous
DPGN plus SLE
subendothelial depostis
WIRE LOOP LESIONS
splitting of basement mebrane seen in
alport
MPGN
MPGN has how many types
TWO
I—– hepatitis bc
II —- c3 nephritic factor
C3 nephritic factor normally stabilizes the C3 convertase so it keeps the complement cascade inactive —- C3 nephritic factor problem leads to acitvation of cascade and CONSUMPTION OF C3
tram track calcification seen in
STURGE WEBER synd
tram track appearance in
MPGN
MEMBRANOUS NEPHROPATHY causes
most cmomon SLE HEP B SYPHILIS PLP a2 receptor ANTOBODY penicillamine NSAIDS gold salts
POOR steroid response
what kind of deposits are seen in membranous
SUBEPITHELIAL
spike and DOME
THICKENING of basement membrane