UWorld_7.23 Flashcards
1
Q
Inconclusive fast ==> ?
A
dx peritoneal lavage
2
Q
Back pain red flags
A
- age > 50
- hx cancer
- constitutional sx
- nighttime pain ==> interrupted sleep
- pain > 1 mo.
- no response to prev. therapy
- neuro sx
3
Q
Anticholinergic poisoning sx
A
- dry mouth.skin (“dry as a bone”
- blurry vision/mydriasis (“blind as a bat”)
- hyperthermia (“hot as a hare”)
- urinary retention (“full as a flask”)
- decreased bowel sounds
- cutaneous vasodilation (“red as beet”)
- AMS (“mad as a hatter”)
4
Q
Tx anticholinergic poisoning
A
physostigmine = cholinesterase inhibitor
5
Q
Laryngomalacia improves w/…
A
prone
6
Q
Vascular ring presentation
A
-presents @
7
Q
Management of infat/neonate meningitis
A
- 3rd ge. cephalosporins (cefotaxine @ neonates, ceftriaxone @ older infants) + vancomycin
- dexamethasone ==> less SN hearing loss
8
Q
Euthyroid sick syndrome presentation
A
- “low T3 syndrome”
- decreased total/free T3
- normal T4
- normal TSH
- occurs in pt.s w/ acute/severe illness
9
Q
CGD mechanism/dx
A
- PMN/phagocyte dysfxn
- dx: nitroblue or dihydrorhodamine 123 test
10
Q
Wiscott-Aldrich syndrome presentation
A
- X-linked R
- eczema
- thrombocytopenia
- recurrent infections
11
Q
Schistocytes indicate ?
A
- microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
- not assoc. w/splenomegaly
12
Q
Presentation of autoimmune hemolytic anemia
A
- normocytic anemia
- reticulocytosis
- splenomegaly
- jaundice
- elevated indirect bili, LDH, and decreased hapto
- peripheral smear = spherocytes
- (+) direct antiglobulin (Coombs) test w/IgG ==> warm
- -(+) direct antiglobulin (Coombs) test w/IgM ==> cold
13
Q
Causes of warm agg. AIHA
A
- drugs (e.g. penicillin)
- viral infections
- autoimmune (e.g. SLE)
- immunodeficiency
- lymphoproliferative (e.g. CLL)
14
Q
Tx warm agg. AIHA
A
- steroids
- splenectomy if refractory
15
Q
Causes of cold agg. AIHA
A
- infections: MAC PNA, mono
- lymphoproliferative (e.g. CLL)
