PassMedicine Flashcards
what drug group commonly causes cataracts
corticosteroids
Sensorineural deafness, congenital cataracts, patent ductus arteriosus, purpuric skin lesions and ‘salt and pepper’ chorioretinitis
rubella
what causes rubella
togavirus
what are features of congenital rubella syndrome
sensorineural deafness
congenital cataracts + heart disease (PDA)
hepatosplenomegaly
‘salt and pepper’ chorioretinitis
how is congenital rubella syndrome diagnosed
IgM antibodies to togavirus
Infantile cataracts. No hepatic involvement are most characteristic of which type of inherited metabolic disorder?
galactokinase deficiency
what are features of classic galactosemia
failure to thrive
infantile cataracts
hepatomegaly
what are features of galactokinase deficiency
infantile cataracts
no hepatic involvement
A 25-year-old man with muscle weakness is reviewed in clinic. On shaking his hand he has difficultly loosening his grip. On examination he has frontal balding, bilateral ptosis and cataracts
myotonic dystrophy
what is the difference in myotonic dystrophy between DM1 and DM2
DM1 - distal weakness
DM2 - proximal weakness
A child presents with fever, conjunctivitis and being irritable. He has also developed a maculopapular rash which started behind ears before spreading and becoming blotchy & confluent
measles
Fever, malaise, muscular pain
Parotitis (‘earache’, ‘pain on eating’): unilateral initially then becomes bilateral in 70%
mumps
A 5-year-old develops fever, pharyngitis and conjunctivitis
adenovirus
child with fever, conjunctivitis, desquamating rash, cracked lips, strawberry tongue
Kawasaki disease
what conditions present with a strawberry tongue
scarlet fever
kawasaki disease
what distinguishes scarlet fever and kawasaki disease
kawasaki has conjunctivitis and cracked lips
STI –> arthritis, urethritis, conjunctivitis
Reactive arthritis (reiters)
what is reiters syndrome
triad of urethritis, conjunctivitis, arthritis
“can’t see, pee, or climb a tree”
Child with fever, conjunctivitis, white spots on buccal mucosa, rash starting behind ears
measles
what groups of drugs is glaucoma commonly associated with
corticosteroids
what eye conditions can corticosteroids cause
cataracts
glaucoma
what are the three main groups of drugs used to manage open-angle glaucoma
prostaglandin analogues
BB
sympathomimetics
an example of a prostaglandin analogue
latanoprost
MOA of prostaglandin analogues in glaucoma
mimics a prostaglandin and increases uveoscleral outflow decreasing intra-ocular pressure