THORACIC-TCAR QUESTIONS PERFECTLY SOLVED

Thoracicuy-uyTCAR

1. Blooduysupplyuyupperuy2/3uyofuytrachea:uyinferioruythyroiduyarteries
2. Blooduysupplyuyloweruy2/3uyofuytrachea:uybronchialuyarteries
3. Blooduysupplyuylunguyparenchyma:uybronchialuyarteries
4. Pathwayuyofuyazygousuyveinuyinuytheuythorax:uyrunsuyalonguyRuysideuyanduydu
mpsuyintouysuperioruyvenauycava
5. Pathwayuyofuythoracicuyductuyinuytheuychest:uyrunsuyalonguyRuyside,uycrossesuymi
dlineuyatuyT4-
T5,uygoesuyintouyLuyneckuyanduydumpsuyintouyLuysubclavianuyveinuyatuyjunctionuywithuyLI
J
6. Pathwayuyofuyphrenicuynerveuyinuythorax:uyrunsuyanterioruytouyhilum
7. Pathwayuyofuyvagusuynerveuyinuythorax:uyrunsuyposterioruytouyhilum
8. Whatuyfissuresuyexistuyinuytheuylungs?:uyMajoruyobliqueuyseparatesuyRLLuyfromuy
middleuyanduyupperuylobe
Minoruyseparatesuyupperuyfromuymiddleuylobe
9. Muscleuyuseduyinuyquietuyrespiration:uyDiaphragmuy80%,uyintercostalsuy20%
10. Accessoryuymusclesuyofuyrespiration:uyS
CMuyLevators
Serratusuyposterioruy
Scalenes
11. Mainuysurfaceuyactiveuyagentuyinuysurfactant:uyphosphatidylcholine
12. Alveolar,uyarterial,uyanduyvenousuypressuresuyinuylunguyzonesuyinuyuprightuyper
on:uy-
ZoneuyI:uyPAuy>uyPauy>uy
PvuyZoneuyII:uyPauy>uyP
Auy>uyPvuyZoneuyIII:uyPa
uy>uyPvuy>uyPA

13. Normaluypulmonaryuyarteryuypressure:uy25/10uy(meanuy15)
14. Whatuypredicteduyvalueuyisuyneededuyforuypulmonaryuyresection?:uyPredicteduyp
ostopuyFEV1uy>uy0.8Luy(>40%uypredicted)
15. WhatuycanuybeuydoneuyifuytheuypredicteduypostopuyFEV1uyisuycloseuytouy0.8uy(4
0%uypre-
uydicted)?:uyObtainuyauyV/Quyscanuyanduyseeuyhowuymuchuythatuysegmentuyactuallyuycon

tributes
16. Singleuybestuypredictoruyofuybeinguyableuytouyweanuyoffuyventilatoruyafteruypul
monaryuyresection:uyFEV1
17. MinimumuyDLCOuyforuylunguyresection:uy>11-
12uyml/min/mmHguyCOuy(>50%uypredict-uyeduyvalue)
18. WhatuysixuythingsuyeffectuyDLCO?:uyPulmonaryuycapillaryuysurfaceu
yareauyHgb

Alveolaruyarchitectur
1uy/uy
31

, Thoracicuy-uyTCAR

euyDeaduyspace
LowuyCOuyPulm
onaryuyHTN
19. WhatuypCO2uyisuynecessaryuyforuylunguyresection?:uy<45uyatuyrest
20. WhatuypO2uyisuynecessaryuyforuylunguyresection?:uy>60uyatuyrest,uynotuyonuyO2




2uy/uy
31

, Thoracicuy-uyTCAR

21. WhatuyVO2maxuyisuyneededuyforuylunguyresection?:uy>10uyml/kg/minuy(maximu
muyo2uyconsumption)
22. OveralluyPFTsuyrequireduyforuypulmonaryuyresection:uyFEV1uy>0.8Luy(>40%uypr
edict-uyed)
DLCOuy>11-
12uyml/min/mmHguyCOuy(>50%uypredicted,uyoruy40%uypostop)uypCO2uy<4
5uyatuyrest
pO2uy>60uyatuyrest,uynotuyonuyO
2uyVO2uy>10uyml/kg/min
23. MCCuyofuyhypoxemiauyafteruypulmonaryuyresection:uyV/Quymismatchuyfromuyate
lecta-uysisuy(shunt)
24. MCCuyofuyhypercarbiauyafteruypulmonaryuyresection:uyalveolaruyhypoventil
ationuy(pooruyminuteuyventilationuyRRuyxuyTV)
25. MCuynerveuyinjuryuyafteruypulmonaryuyresection:uybrachialuyplexusuyinjuries
26. Howuycanuycommonuyperonealuynerveuyinjuriesuybeuyavoideduydurinuypulm
onaryuyresection?:uyflexuydependentuyleg
27. Mostuycommonuyresectionuyresultinguyinuypersistentuyairuyleak:uysegment
ecto-uymy/wedge
28. MCuyresectionuyresultinguyinuyatelectasis:uylobectomy
29. MCuyresectionuyresultinguyinuyarrhythmias:uypneumonectomyuy(RuyMC)
30. MCuyresectionuyresultinguyinuypostopuyTEF:uypneumonectomyuy(RuyMC)
31. MCuyresectionuyresultinguyinuypostopuybronchopleuraluyfistula:uypneumonect
omyuy(RuyMC)
32. MCuyresectionuyresultinguyinuymortality:uypneumonectomyuy(RuyMC)
33. Whatuyisuypost-
pneumonectomyuysyndrome?:uyMCuyafteruyRuypneumonectomyuymediastinaluys
hiftuycausinguymainuybronchialuycompression
34. Howuyisuypost-
pneumonectomyuysyndromeuytreated?:uySiliconeuyissueuyexpandersuyonuypneumon
ectomyuysideuytouyshiftuymediastinumuyback
35. Whatuyshoulduybeuyexpecteduywithuyhypotension,uycyanosis,uytachycardia,u
yanduydisplaceduyheartuyonuyCXRuyafteruyRuypneumnoectomy?:uyCardiacuyherniati

onuythroughuypericardium
36. TreatmentuyanduypreventionuyofuycardiacuyherniationuyafteruyRuypneumonectom
y:uy-
PericarialuyGortexuypatch
37. Whatuyshoulduybeuyexpecteduywithuypooleduysecretions,uyrecurrentuyinfectio
n,uyoruybronchialuystumpuyblowoutuyafteruyLuypneumonectomy?:uyLonguybronchialu
ystumpuysyn-uydrome

38. Howuyisuylonguybronchialuystumpuysyndromeuytreated?:uyShortenuybronchu
3uy/uy
31

, Thoracicuy-uyTCAR

suyanduycoveruywithuyflap




4uy/uy
31