mar 10 Flashcards
finding on lateral xray that suggests a retropharyngeal abscess?
widening of prevertebral space
how do atropine drops effect the eye?
dilate the pupil
do atropine drops help treat glaucoma?
no - they worsen it- can lead to acute angle closure glaucoma
first line treatment of open angle glaucoma?
topical prostaglandin (latanoprost, bimatoprost)
how do topical prostaglandins help treat open angle glaucoma?
increase drainage of the aqueous humour
why do patients recently started on EPO replacement require blood pressure monitoring?
the increase in proliferation of RBCs can lead to hypertension (usually mild, but can be severe)
should you administer empiric antibiotics before performing paracentesis in suspected bacterial peritonitis?
no - can lead to negative culture even if bacterial peritonitis is present
Patients with newly diagnosised myasthenia gravis should undergo which investigation?
chest imaging (CT) - to look for thymoma
do posterior urethral valves affect girls?
no. - only boys
a cough with posttusive emesis is a characteristic of…
whooping cough
what is ranitidine
H2 blocker
adverse effects of hydoxychloroquine
retinitis
presentation of HIV neuropathy?
numbness, tingling and burning/pinprick sensation/ pain in distal extremities that progresses over time
who is at risk for HIV neuropathy?
-patients who have had HIV for a long time, particularly if its poorly controlled - high viral loads, low CD4 counts
what caueses sick sinus syndrome?
age related degerenation of the cardiac conduction system and fibrosis of the sinus node
