9/16/12 a Flashcards
What pharmalogical agent can be used to treat carcinoid syndrome prior to surgery or if disease is disseminated?
Octreotide
What is octreotide? What does it do?
Somatostatin analog; inhibits the release of many hormones, including gastrin, CCK, glucagon, growth hormone, insulin, secretin, pancreatic polypeptide, TSH, and VIP.
How does octreotide combat the Sx of carcinoid syndrome?
slows GI secretions and motility and causes peripheral vasoconstriction
What othe conditions are treated w/ octreotide?
Gigantism/acromegaly, VIPoma, and thyrotropinoma
Where are carcinoid tumors most commonly found? What are the Sx of tumors in this location?
midgut; no Sx b/c products metabolized by liver before entering systemic circulation
What is finasteride? What is it used for?
5-α-reductase inhibitor (prevents production of DHT; BPH
What is flutamide? Use?
competitive androgen antagonist; prostate cancer
What is the target of ondansetron?
inhibits 5-HT3 receptors; also inhibits stimulation by vagus n.
What two conditions could cause jugular venous distention, hypotension, and tachycardia?
cardiac tamponade or tension pneumothorax
Pt presetns w/ Sx of severe rheumatoid arthritis for past 6 mos. What drugs would you give her for immediate relief? For long-term tx?
Corticosteroids (or NSAIDs); MTX
What is the classic triad of congenital birth defects d/t rubella?
Cataracts, sensorineural deafness, and PDA.
How do we prophylax congenital rubella?
Live attenuated vaccine for women of childbearing age
What kind of vaccine are used for HAV and rabies?
Killed
What type of vaccine is used for MMR?
live, attenuated
How does enfuvurtide tx HIV infection?
prevents fusion