Test 5 - Created June 30 Flashcards
causes of SIADH
CNS disturbance, meds (SSRIs, carbamazepine, valproate), pneumonia, small cell lung cancer, pain, and/or nausea
lab findings in SIADH
hyponatremia, serum osm < 275, urine osm > 100, urine na > 40 mEq/L; low Na and osmolality in serum, high in urine
management of SIADH
fluid restriciton, salt tablets, hypertonic saline if severe
SAAG calculation
serum albumin - ascites albumin; > or = 1.1 is high
conditions causing high SAAG
CHF or liver pathology (indicates portal HTN)
what responds to iron when treating iron deficiency anemia
reticulocyte count first, then Hct and Hgb a month later, then ferritin much later
when to test serology of baby exposed to perinatal Hep.B
3 months after normal Hep.B vaccine series
when to test HIV exposed individual and what test
4 weeks after exposure as titers are low during window period; test = p24Ag/HIV-Ab immunoassay
when to give postexposure prophylaxis to person exposed to HIV
within 72 hours of exposure
causes of multifocal atrial tachycardia
COPD exacerbation, hypoK, hypoMg, catecholamine surge
treatment of M.A.T.
treat inciting illness first and correct in e-lyte imbalances; only give non-dipine CCBs or BBs after correctable causes addressed
treatment of allergic bronchopulmonary aspergillosis
systemic glucocorticoids, itra- or voriconazole, omalizumab if a really bad asthmatic
severe mitral stenosis with worsening symptoms in a young female
consider pregnancy as the instigator
sxs/signs of MS in adults
CHF-like picture, A. fib, embolus; opening snap with middiastolic rumble at apex
signs of myoglobinuria
U/A shows blood with no RBCs
