6/15/13 b Flashcards
What is the effect of squatting on the murmur of aortic stenosis?
decrease
Why does squatting decrease the murmur of AS (despite increased preload)?
lower sympathetic outflow –> lower TPR
What is the effect of standing on the murmur of AS?
increase
Why does the murmur of AS increase w/ standing?
increased sympathetic outflow –> increased TPR
What is the effect of Valsalva maneuver on the murmur of AS?
decrease
What is th effect of hand grip maneuver on the murmur of AS?
decrease
Why does hand grip decrease the murmur of AS?
up TPR –> decreased outflow
What is the preferred medication to control chronic htn in the pregnant woman?
methyldopa (or labetalol)
What should be used to lower the BP of the preg woman w/ severe preeclampsia or HELLP syndrome prior to delivery?
hydralazine or labetalol
What are AIDS pts at risk of when CD4+ count falls below 50?
MAC
What is given to AIDS pts as MAC prophylaxis?
azithromycin or clarithromycin
How should migratory thrombophlebitis (aka Trousseau’s sign) be controlled until the underlying malignancy can be treated?
Heparin (not warfarin!)
What are the 2 most common psychiatric comorbidities of Tourette’s syndrome?
ADHD and OCD
What kind of a drug is Citalopram?
SSRI
What kind of drugs are first-line for generalized anxiety disorder?
SSRIs and SNRIs
What kind of a drug is Ziprasidone?
atypical antipsychotic
What are the 2 treatments for any kind of anxiety disorer w/ frequent Sx?
CBT or SSRI/SNRI
What is the treatment that may be used short-term for anxiety disorders or if the symptoms are infrequent?
benzos
How long after acute cholecystitis should cholecystectomy be performed?
72 hrs! That’s it!
When is a HIDA scan useful?
acute cholecystitis and US is inconclusive
